Joseph Pennell, Temple over the Canon, Segesta, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9622 Lyonel Feininger, The Village of Legefeld I (Dorf Legefeld I), 1916, Ink and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33715 Joseph Pennell, The Fallen Column, Athens, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9676 Max Weber, Interior with Figures, 1918, Gouache and ink on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34116 Joseph Pennell, Hallway at Dr. Wister's, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9586 Joseph Pennell, Making Propeller Blades, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9595 Joseph Pennell, The Walled City, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9603 Christian Rohlfs, The Soldier (Der Soldat), (c. 1914), Watercolor and pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35384 Joseph Pennell, The Little Fete, Athens, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9690 Käthe Kollwitz, Schwangere Frau, 1910, Strichätzung, Aquatinta, Kaltnadel sowie Vernis mou mit Durchdruck von Bütten und Zieglerschem Umdruckpapier in Braun auf Velinpapier (Kupferdruckpapier), Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/28015 Arthur Dove, Nature Symbolized, c. 1911–12, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36115 Joseph Pennell, Building the Camp, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9677 Louis Michel Eilshemius, Samoa, 1911, Oil on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37498 George Grosz, The Christmas Brothers, 1917, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36787 Joseph Pennell, New York from Brooklyn, 1910, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9695 Georgia O'Keeffe, Evening Star No. III, 1917, Watercolor on paper mounted on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33828 Josef Eberz, THEATER (Bühne), 1916, Oil on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37891 Joseph Pennell, The Mystery of the Mist, 1910, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9652 Max Weber, Crystal Figure, (1911), Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35064 Fritz Stuckenberg, Opium, 1917, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38357 Elie Nadelman, Bust of a Woman, c. 1913, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34658 Joseph Pennell, Shaping a Gun from an Ingot, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9692 Joseph Pennell, Finishing Shells, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9593 Alexander Archipenko, Figure in Movement, 1913, Cut-and-pasted painted paper, conté crayon, and colored pencil on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38099 Max Klinger, Ex Libris Hildegard Heyne, 1918, Etching and aquatint printed in black ink on off-white paper, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/4901 Jacques Lipchitz, Girl with Braided Hair, (1914), Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36065 Joseph Pennell, Seats of the Mighty, Delphi, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9673 George Grosz, Fit for Active Service (Kriegsverwendungsfähig), 1918, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35441 Joseph Pennell, Paestum, Evening, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9581 Joseph Pennell, In the Land of Iron and Steel, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9643 Joseph Pennell, Shell Factory, No.II, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9699 Louis Michel Eilshemius, Girl Resting, (c. 1910), Oil on paperboard mounted on paperboard; 12 5/8 x 20 5/8 in. (31.9 x 52.2 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859753-1 Joseph Pennell, Fitting Guns in Turrets, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9615 Wilhelm Lehmbruck, Woman's Dream (Der Traum des Weibes), 1914, drypoint [proof], National Gallery of Art, Washington. https://dartabase.art/cite/nga/8465 Joseph Pennell, Laying the Floor of Pedro Muguel Lock, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1092 Lyonel Feininger, Euphoric Victory (Siegesrausch), (1918), Watercolor, opaque watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34505 Morgan Russell, Synchromy, c. 1913–14, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36081 Joseph Pennell, American Tivoli, 1910, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9651 Ernst Ludwig Kirchner, Sailor Saying Goodbye (Matrose sich verabschiedend), (1914), Ink and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33951 Childe Hassam, Portsmouth Doorway, 1916, etching and drypoint in black, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1082 László Moholy-Nagy, Jolan Simon, (1919–20), Lithographic crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33277 Marsden Hartley, Maine Mountains, Autumn, c. 1910, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36961 Joseph Pennell, The Iron Mine, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9683 Lyonel Feininger, On the Quay, 1911, Ink and opaque watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35832 Franz Marc, Animal Legend (Tierlegende), 1912, woodcut on Japan paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8677 Eugenie Bandell, Japanische Puppen mit Äpfeln, 1915, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3227 Ernst Barlach, Christ in Gethsemane, 1919, woodcut, National Gallery of Art, Washington. https://dartabase.art/cite/nga/4145 Abraham Walkowitz, Hudson River Landscape with Figures, 1912, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34859 Max Beckmann, Die Hölle, 1919, Folge von elf Kreidelithografien (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/102209 Max Beckmann, The Mocking of the Prodigal Son ( Der Verlorene Sohn wird verspottet ), c. 1918, Gouache and watercolor over ink and pencil drawing on parchment, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35742 Charles Demuth, Dancing Sailors, 1918, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34760 Joseph Pennell, Five O'Clock, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9688 Joseph Stella, Song of the Nightingale, 1918, Pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34189 Edward Steichen, LE COQ GAULOIS, 1915, Ink and tempera on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37355 Charles Demuth, Acrobats, 1919, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33527 Alexander Bogomazov, Woman, 1914, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33196 Maurice Sterne, Balinese Woman, 1913, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34998 Joseph Pennell, The Dining Room, Stenton, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9592 Kurt Schwitters, One One (Eins Eins), 1919–20, Cut-and-pasted printed and painted papers on paper on colored cardstock, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36296 Abraham Walkowitz, Untitled Abstraction, (c. 1913), Pencil, pastel, and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35346 Stuart Davis, Forty Inns on the Lincoln Highway, 1916, Crayon, pencil, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37442 Max Beckmann, Die Synagoge in Frankfurt am Main, 1919, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4099 Lyonel Feininger, People on the Jetty (Leute auf See-Steg), 1918, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34461 Max Beckmann, The Feast of the Prodigal Son ( Die Heimkehr des Verlorenen Sohnes wird gefeiert ), c. 1918, Gouache and watercolor over ink and pencil drawing on parchment, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35731 Käthe Kollwitz, Frauenakt, 1910?, Strichätzung, Aquatinta und Vernis mou mit Durchdruck von Bütten in Braun auf Velinpapier (Kupferdruckpapier), Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/28019 Georgia O'Keeffe, Train at Night in the Desert, 1916, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34086 Paul Klee, Tannenwald, 1914, Aquarell auf Velinpapier (Aquarellpapier), auf Velinkarton kaschiert, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/128567 Felix Klee, Fritzi, 1919, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36795 Ernst Ludwig Kirchner, Zwei Frauen mit Waschbecken; Die Schwestern, 1913, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2050 Joseph Pennell, The Temple of Nike, Athens, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9624 Ernst Ludwig Kirchner, Street Scene (Strassenszene), 1914, Ink and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36343 Edward Timothy Hurley, Untitled--bridge, 1914, printed 1916, etching on paper; plate: 12 x 7 7/8 in. (30.5 x 20.0 cm), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381047224-0 Joseph Pennell, Ready for Service Again, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9678 Man Ray (Emmanuel Radnitzky), Promenade, 1915/1945, Gouache over gelatin silver print, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34877 Pavel Tchelitchew, The Artist's Mother, c. 1918–19, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34227 Joseph Pennell, Venice, Rebuilding the Campanile, 1911, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9687 Lyonel Feininger, Two Anglers (recto); The Stern Bridge (verso), 1916, Watercolor and ink on paper (recto); ink on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35682 Joseph Pennell, The Odeon, Athens, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9675 Alexander Bogomazov, Landscape, c. 1917–19, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36542 Joseph Stella, Joe Gould, 1919, Crayon, colored pencil, and pencil over white wash on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34981 Joseph Pennell, Munitions City, No.I, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9631 Joseph Pennell, The Wine-Dark Sea, Sunium, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9670 Paul Klee, Hannah, 1910, Ink on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34019 Joseph Pennell, Looking up Broad Street from Spruce Street, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9640 Paul Klee, Garden of Passion (Garten der Leidenschaft), 1913, etching in black on ivory wove paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8111 Otto Dix, A Riddled Wall (Zerschossene Mauern), (1916), Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35838 Pavel Tchelitchew, Landscape Outside Kiev, c. 1919, Gouache and pencil on lined paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34144 Joseph Pennell, Munition Town, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9650 Joseph Pennell, The Upper-room, Stenton, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9588 Joseph Pennell, Tracks, Oberhausen, 1910, etching, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1090 Joseph Pennell, The Old Shipyard, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9680 August Macke, Nacktes Mädchen mit Kopftuch, 1910, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2146 Charles Burchfield, The City, 1916, Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33469 Franz Marc, Blue Horse with Rainbow (Blaues Pferd mit Regenbogen), 1913, Watercolor, gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32978 Charles Demuth, Vaudeville, 1917, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33773 Joseph Pennell, The Ants, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9662 Kurt Schwitters, Drawing A2: Hansi, 1918, Cut-and-pasted colored paper and printed paper on printed paper with cardstock border, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33874 Joseph Pennell, Aetna Over Taormina, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9685 Charles Burchfield, The Night Wind, 1918, Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36500 Joseph Pennell, The Gun Forge, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9633 Paul Klee, With the Flag (Mit der Fahne), 1918, Ink on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35629 Lovis Corinth, The First Human Beings (Die ersten Menschen), (c. 1919), Lithographic crayon and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37425 Joseph Pennell, The Temple by the Sea, Temple of Concord, Girgenti, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9583 Charles Demuth, Nana (Seated Left) and Satin at Laure's Restaurant (Illustration for Emile Zola's Nana),, 1916, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33533 Jacques Lipchitz, Seated Nude, (1915), Crayon, charcoal, pencil, watercolor, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34448 Käthe Kollwitz, Märzfriedhof, 1913, Kreidelithografie (Umdruck) in Schwarz auf Velinpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/28023 Joseph Pennell, The Guard Gate, Gatun Lock, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9620 Joseph Pennell, The Girard Trust Company, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9641 St. Louis Argus, Press Release from the Lincoln Motion Picture Company, January 5, 1917, ink on paper; H x W: 8 × 5 3/4 in. (20.3 × 14.6 cm), National Museum of African American History and Culture, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643398738600-1643398748684-1 Joseph Pennell, The Keel, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9613 Ludwig Meidner, Portrait of a Soldier, 1918, Black ink and graphite on tan wove paper, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/4630 Joseph Pennell, The Biggest Lathe in the World, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9703 Joseph Pennell, The City Hall and Bridge across Market Street, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9686 Joseph Pennell, The Hall, Stenton, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9617 Joseph Pennell, Making a Turbine Engine, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9704 Lyonel Feininger, The Disparagers, 1911, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37098 Lewis Wickes Hine, Italian Family, Chicago, 1910, Gelatin silver print, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/11343 Joseph Pennell, Shell Factory, No.I, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9691 Arthur Dove, Abstraction Untitled, c. 1917–20, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33430 Joseph Pennell, Battleship Coming Home, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9664 Ernst Ludwig Kirchner, Akt im Atelier, c. 1910, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2418 Joseph Pennell, Drawing Room at Cliveden, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9589 Joseph Pennell, The Transports, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9598 Joseph Pennell, The Acolytes Preparing the Altar of the War God, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9645 Lyonel Feininger, Euphoric Victory (Siegesrausch), 1918, Watercolor, opaque watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34519 Wilhelm Lehmbruck, Three Kneeling Women (Drei Frauen knied), 1913, drypoint, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8466 Joseph Pennell, Within the Furnaces, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9629 Joseph Pennell, The Coal Mine, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9627 Marcel Duchamp, Handmade Stereopticon Slide, c. 1918–19, Pencil on gelatin silver prints mounted on black-paper-surfaced board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34823 Joseph Pennell, The Big Gate of the Big Shop, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9649 August Macke, Zwei Mädchen, 1913, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1995 Kurt Schwitters, Picture with Light Center (Bild mit heller Mitte), 1919, Cut-and-pasted colored paper and printed paper, oil, and pencil on paperboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33235 Charles Demuth, Amaryllis, c. 1923, watercolor over graphite, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/172894 Joseph Pennell, Bottling the Big Shell, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9669 Joseph Pennell, Night in the Yosemite, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9600 Joseph Pennell, The Gantry, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9634 Ludwig Meidner, Soldier Karl Stein, 1917, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36934 Joseph Pennell, The White and Black Hammers, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9660 Joseph Pennell, Sunrise Behind Temple of Concord, Girgenti, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9584 Timothy Cole, Abraham Lincoln, 1919, wood engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/5968 Franz Marc, Liegender Hund im Schnee, c. 1911, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2069 Joseph Pennell, Gun-Testing, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9632 Lovis Corinth, Wolfgang Gurlitt, (1917), Crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37434 Joseph Pennell, Hallway to Bed Room, Stenton, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9585 Max Beckmann, Die Ideologen, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/5793 Joseph Pennell, Signers' Room, Independence Hall, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9698 Wilhelm Lehmbruck, Standing Girl (Stehendes Mädchen), (c. 1915), Crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35154 Joseph Pennell, Steel Bars for Shells, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9681 John Sloan, A Woman's Work, 1912, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/140161 Charles Burchfield, Garden of Memories, 1917, Watercolor, crayon, charcoal, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32974 Morgan Russell, Three Apples, 1910, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36465 Joseph Pennell, Evening in the Munitions Country, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9594 Max Weber, Maine, 1914, Pastel and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37661 Max Beckmann, Der Hunger, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26923 George S. Graves Co., Picture postcard to Dr. Arthur Melvin Townsend, 1914; sent September 1917, ink on paper; H x W: 3 1/2 x 5 1/2 in. (8.9 x 14 cm), National Museum of African American History and Culture, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1727784523374-1727784527915-0 Max Beckmann, Das patriotische Lied, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26921 Franz Marc, Geburt der Pferde, 1913, Farbholzschnitt von vier Stöcken in Rot (1. Farbstock), Grün (2. Farbstock), Schwarz (Zeichnungsstock) und Braun (3. Farbstock) auf Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/99715 Lyonel Feininger, Street in Arcueil (Strasse in Arcueil), 1915, Watercolor, opaque watercolor, ink and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33703 Arthur B. Davies, Withdrawing Rain, (before 1910), Oil on canvas; 11 × 21 7/8 in. (27.9 × 55.5 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859314-1 Ernst Ludwig Kirchner, Head of van de Velde, Bright (Kopf van de Velde, Hell), 1917, woodcut, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8105 Joseph Pennell, Niagara Rainbows, 1910, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9653 Lewis Wickes Hine, Old Time Garment Shop, New York City, 1912, Gelatin silver print, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/148316 Joseph Pennell, The Shops at Night, Changing Shifts, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9616 Poro College, Typewritten formula for Poro hair rinse, 1915–1953, ink on paper; H x W: 4 5/8 x 8 3/8 in. (11.7 x 21.3 cm), National Museum of African American History and Culture, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643398738600-1643398744450-0 Stuart Davis, The Front Page, 1912, Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34117 Joseph Pennell, The Collier, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9693 Paul Klee, The Hanged Ones (Die Gehängten), 1913, Ink on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38148 Charles Burchfield, The First Hepaticas, 1917–18, Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33481 Erich Heckel, Two Female Nudes (Zwei weibliche Akte), 1910, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36971 Paul Klee, Small World (Kleinwelt), 1914, etching on zinc, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8110 Joseph Pennell, The New Gun-Pit, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9635 Lovis Corinth, Woman Carrying a Basket (recto); Untitled (Study for Portrait of Frau Luther) (verso), c. 1910, Pencil on paper (recto); Pencil on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37438 Ernst Ludwig Kirchner, Längmatte bei Monduntergang, 1919, Farbholzschnitt von mehreren (nach Schiefler vier zerteilten) Stöcken in Hellblau, Rosa, Dunkelblau, Grün, Gelb, Orangerot, Dunkelrot und Weiß auf glattem Velinpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/99384 Joseph Pennell, Munitions River, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9648 Joseph Pennell, Building Destroyers, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9679 Timothy Cole, Woodrow Wilson, 1918, wood engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/5971 Maurice Sterne, Praying Hands, Bali, (1913), Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35019 Joseph Pennell, The Gun Shop, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9659 Joseph Pennell, The Basilica of War, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9657 Joseph Pennell, Under the Shed, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9607 Hugo Erfurth, Porträt Lovis Corinth, c. 1918, Öldruck, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/102500 Louis Michel Eilshemius, Mosque near Biskra, (c. 1915), Oil on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36009 Charles Burchfield, Church Bells Ringing, Rainy Winter Night, December 1917, watercolor and gouache over graphite on wove paper, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/127227 Joseph Pennell, The Woolworth Building, 1915, etching, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1089 Rev. Nelson Jordan Jr., Letter written by Nelson Jordan Jr. and Nelson Jordan to Julia Womack, February 4, 1910, ink on paper; H x W (.1): 7 15/16 × 9 7/8 in. (20.2 × 25.1 cm); H x W (.2): 3 1/2 × 5 3/8 in. (8.9 × 13.7 cm), National Museum of African American History and Culture, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643398738600-1643398749570-0 August Macke, Street Scene with Cathedral (Straßenbild mit Kathedrale), 1914, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33999 Joseph Pennell, Casting Shells, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9654 Joseph Pennell, The Great Gulf, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9610 Joseph Pennell, Bed Room, Stenton, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9590 Elie Nadelman, Reclining Nude, c. 1917, Pencil and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35704 Joseph Pennell, The Hall at Cliveden, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9618 Joseph Pennell, The Shining Rocks, Delphi, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9672 Joseph Pennell, Entrance to the Canal from the Pacific, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9684 Max Beckmann, Porträt Fridel Battenberg, den Kopf in beide Hände gestützt, 1916, Bleistift auf Velinpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/8715 George Grosz, Metropolis (Grossstadt), 1917, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34605 Louis Michel Eilshemius, Study for Mosque near Biskra, (c. 1915), Pencil on brown paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33087 Joseph Pennell, The Presses, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9636 Charles Demuth, At a House in Harley Street, 1918, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33552 László Moholy-Nagy, [Untitled], c. 1923/25, Gelatin silver photogram, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/132717 Franz Marc, Elephant (Elefant), 1913, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37666 Charles Demuth, The Shine, c. 1916, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34965 Wilhelm Lehmbruck, Sitzender Jüngling, 1916–1917, Steinguss, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4390 Max Beckmann, Die Nacht, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26920 Joseph Pennell, The Temple of Concord on the Wall, Girgenti, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9665 William Glackens, Washington Square, (1913), Charcoal, pencil, colored pencil, gouache, and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34636 Max Beckmann, Der Nachhauseweg, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26919 Ernst Ludwig Kirchner, Bildnis Erna mit Hut, c. 1917, Rohrfeder in blaugrauer Tinte, Blindlinien (trockene Rohrfeder?) und Bleistift auf weiß gestrichenem Velin-Karton (halbmatt), Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/11768 Timothy Cole, Lowlands, 1918, wood engraving, National Gallery of Art, Washington. https://dartabase.art/cite/nga/5973 Joseph Pennell, Peace and War, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9630 Joseph Pennell, Doorway, Wyck, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9591 Max Beckmann, Die Letzten, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26924 Preston Dickinson, Still Life, c. 1924, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/93239 Charles Burchfield, Insects at Twilight, 1917, Gouache, watercolor, crayon, charcoal, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32983 Lyonel Feininger, The City at the Edge of the World (In der Stadt am Ende der Welt), 1912, Ink and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34425 Ernst Ludwig Kirchner, Self-Portrait with Pipe (Selbstbildnis mit Pfeife), (July 23, 1914), Ink, crayon, watercolor and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37232 Joseph Pennell, Building the Bismarck, Hamburg, 1914, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9674 Paul Klee, Das Haus zur Distelblüte, 1919, Öl auf Karton, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4067 Joseph Pennell, Building Submarine Chasers, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9605 Max Beckmann, Bildnis Ehepaar Carl, 1918, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/102135 Joseph Pennell, The Temple of Concord on the Wall, Girgenti, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9582 Max Beckmann, Das Martyrium, 1919, Kreidelithografie (Umdruck) auf Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/5794 Elie Nadelman, Reclining Nude, c. 1917, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35715 Elie Nadelman, Study for Man in the Open Air, c. 1914–15, Watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35779 Joseph Pennell, Down and Up the Hills to the Bay, San Francisco, 1912, etching, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9572 Charles Demuth, Study for Acrobats, 1919, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37273 Troy Kinney, Swallows, 1919, drypoint, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8101 Joseph Pennell, The Little Men of the Big Hammer, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9597 August Macke, Promenade on the Bridge (Spaziergang auf der Brücke), 1913, Charcoal on transparentized paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35274 Joseph Pennell, The Union League, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9689 Otto Dix, A Soldier Writing (Schreibender Soldat), 1916, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35853 Franz Marc, Drei Pferde in hügeliger Landschaft, 1910–1911, Grafit, teils laviert, auf Vergépapier (aus einem Skizzenbuch), Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/128570 Paul Klee, Hope and Destruction (Zerstörung und Hoffnung), 1916, lithograph with watercolor, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8113 Joseph Pennell, Unloading Ore, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9606 Joseph Pennell, City Hall Square and Wanamaker Building, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9647 Charles Demuth, Vaudeville Dancers, 1918, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34787 Joseph Pennell, The Forges, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9702 Joseph Pennell, Broad St. Station, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9642 Joseph Pennell, The Bright Angel Trail, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9599 Paul Klee, Houses Drawn by Oxen, Ox Speared by a Lantern, Overpass (Häuser von Ochsen gezogen, Ochse laternengespiesst, Strassenüberführung), 1916, Ink on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33836 Joseph Pennell, Cutting and Turning a Big Gun, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9658 Underwood & Underwood, 13962 A colored brigade building trenches at Camp Devens, Mass., 1917–1919, albumen, sodium chloride and silver nitrate on photographic paper and cardboard; H x W: 3 1/2 x 7 in. (8.9 x 17.8 cm), National Museum of African American History and Culture, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1756975001566-1756975006026-0 Lyonel Feininger, Arcueil II, 1915, Ink and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33691 August Macke, Walterchens Spielsachen, 1912, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4052 Wilhelm Lehmbruck, Four Women; Three Standing, One Sitting (VierFrauen; drei stehend, eine sitzend), 1913, drypoint, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8464 Ernst Ludwig Kirchner, Stehender Akt mit Hut, 1910, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4028 Franz Marc, Ruhende Pferde, 1911–1912, Farbholzschnitt von drei Stöcken in Blau (1. Farbstock), Grün (2. Farbstock) und Schwarz (Zeichnungsstock) auf Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/99710 Georg Kolbe, Frauenraub, 1916–1919, Bronze, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4395 Pavel Tchelitchew, Landscape, c. 1919, Gouache on lined paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34159 Joseph Pennell, Columns of the Temple of Juno, Girgenti, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9666 Christian Rohlfs, Blue Fan Dancer, 1916, Gouache and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37417 Max Beckmann, Die Familie, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26922 George Grosz, Air Attack (Fliegerbombe), 1915, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33173 Joseph Pennell, The Approach to Gatun Lock, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1093 Wilhelm Lehmbruck, Large Resurrection (Grosse Auferstehung), 1913, drypoint [proof], National Gallery of Art, Washington. https://dartabase.art/cite/nga/8468 Joseph Pennell, Made in Germany, the Great Crane, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9638 Joseph Pennell, Making Rifles, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9701 Ludwig Meidner, Dr. Wilhelm Valentiner, 1919, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36927 Joseph Pennell, Power-House, Berlin, 1914, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9614 Georgia O'Keeffe, Special No. 39, 1919, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35245 Paul Klee, With the Red X (Mit dem roten X), 1914, Watercolor on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34945 Ernst Ludwig Kirchner, Berliner Straßenszene, c. 1914, Pastellkreiden und Kohle auf Vergépapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/11716 Charles Demuth, Vaudeville Musicians, 1917, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34773 Mark Tobey, Winthrop Parkhurst, 1916, Charcoal on gray paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35072 Charles Burchfield, Rogues' Gallery, 1916, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33489 Käthe Kollwitz, Heraus mit unsern Gefangenen, 1919, Kreide- und Pinsellithografie (Umdruck) in Schwarz mit gelbem Tonstein auf dünnem Papier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/133477 Hans Richter, Iwan Goll, 1917, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33307 Charles Sheeler, Barn, 1917, Conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35279 George Grosz, The End of the Road (Out of Fear of Starvation) [Das Ende des Weges (Aus Nahrungssorgen)], 1913, Watercolor and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33054 Christian Rohlfs, The Entertainer, 1917, Gouache, watercolor and graphite pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37412 George Grosz, The End of the Day, c. 1919, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33080 Joseph Pennell, The Ferry House, 1919, etching, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1087 Max Beckmann, The Return of the Prodigal Son ( Die Heimkehr des Verlorenen Sohnes ), c. 1918, Gouache and watercolor over ink and pencil drawing on parchment, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35752 Joseph Pennell, The Shell Factory, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9655 Joseph Pennell, The Bay of the Thousand Girls, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9667 Joseph Pennell, The Prow, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9661 Max Weber, Two Brooding Figures, 1911, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33252 Joseph Pennell, Building Destroyers, No.I, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9700 Ernst Ludwig Kirchner, Bucht an der Fehmarnküste, 1913, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2767 August Macke, Tightrope Walker I (Seiltänzer I), (1913–14), Color crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34691 Joseph Pennell, The Sea Lord's Yard / The Walls of Miraflores Lock, c. 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9604 Mother Bethel AME Church, Poster for the Mother Bethel A.M.E. Church in Philadelphia, 1916, ink on paper; H x W: 16 x 19 7/8 in. (40.6 x 50.5 cm), National Museum of African American History and Culture, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643398738600-1643398746490-0 Man Ray (Emmanuel Radnitzky), Ridgefield Landscape, 1914, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38274 Joseph Pennell, Table and Chair, Signers' Room, Independence Hall, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9697 Joseph Pennell, Planing Big Shells, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9668 Max Pechstein, Max Raphael, (c. 1910), Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33301 Joseph Pennell, The Jungle, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1091 Elie Nadelman, Standing Man, profile, c. 1917–19, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35649 Lyonel Feininger, Gelmeroda V, 1916, Charcoal and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33891 Man Ray (Emmanuel Radnitzky), [Untitled], 1915, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36015 Wilhelm Lehmbruck, Kneeling, Small (Kniende, klein), 1910, drypoint, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8463 Paul Klee, Demon above the Ships (Dämon über den Schiffen), 1916, Watercolor and ink on paper with ink border on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34207 Joseph Pennell, The Cauldrons, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9625 Max Beckmann, Selbstbildnis, 1918–1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/5792 Max Beckmann, The Prodigal Son Among Swine ( Der Verlorene Sohn unter den Schweinen ), c. 1918, Gouache and watercolor over ink and pencil drawing on parchment, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35765 Joseph Pennell, Making Armour-Plate, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9646 Louis Michel Eilshemius, In the Studio, c. 1911, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33595 Lyonel Feininger, The Rainbow (Der Regenbogen), 1918, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34488 Joseph Pennell, Girard Street, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9644 Georg Kolbe, Dancer (Tänzerin), (c. 1918), Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35416 Paul Klee, Portrait Scizze ‚Tante u. Neffe‘, 1915, Pinsel in Grau auf Vergépapier, auf Velinkarton kaschiert, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/125947 Max Beckmann, Second Illustration for Chapter One (Zweite Illustration zu Kapitel Eins) from Die Fürstin (The Duchess), (1917, published 1918), Drypoint, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/13621 Maurice Prendergast, On the Beach, No. 3, c. 1915–18, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/93234 Paul Klee, Laughing Gothic (Lachende Gotik), 1915, Watercolor and pastel on paper with metallic paper border on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33827 Joseph Pennell, Book-Room at Dr. Wister's, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9587 Hans Richter, Raoul Hausmann, 1915, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35596 Max Beckmann, Malepartus, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26917 Ludwig Meidner, O Moon Above So Clear!, 1912, Ink, charcoal and opaque watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34554 Georgia O'Keeffe, No. 12 Special, 1916, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35251 Emil Nolde, Papuan Head (Papua-Kopf), 1914, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35944 Man Ray (Emmanuel Radnitzky), Admiration of the Orchestrelle for the Cinematograph, 1919, Airbrushed gouache, colored ink, and pencil on paperboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35423 Elie Nadelman, Seated Nude, c. 1916, Pencil and colored pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35672 Joseph Pennell, Ready to Start, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9663 Wilhelm Lehmbruck, Passion II (Leidenschaft II), 1914, drypoint, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8467 Käthe Kollwitz, Self-Portrait with Hand on Forehead (Selbstbildnis mit der Hand an der Stirn), 1910, etching and drypoint in black-brown ink on wove paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8218 Wilhelm Lehmbruck, Head, Kneeling Woman (Kopf, Kniende Frau), 1911, Blue chalk on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34600 Joseph Pennell, Liberty Bell, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9696 Erich Heckel, Head of a Girl (Mädchenkopf), 1912, Graphite on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33991 Morgan Russell, Study, 1914–15, Crayon and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37759 Joseph Pennell, The Urns, Casting Big Shells, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9637 Joseph Pennell, Building the Battleship, 1917, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9596 Max Beckmann, Die Straße, 1919, Kreidelithografie (Umdruck) auf Simile-Japanpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/26918 Wilhelm Lehmbruck, Study for Bather, (1913), Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36454 Lyonel Feininger, The Unemployed (Arbeitslose), 1910, Ink and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34240 Joseph Pennell, Oil Refining, Whiting, Indiana, 1915, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9623 Louis Michel Eilshemius, The Hudson at Yonkers, 1911, Oil on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36002 Charles Demuth, Female Acrobats, 1919, Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36139 Ernst Ludwig Kirchner, Frankfurter Westhafen, 1916, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3981 Maurice Sterne, Rocks, Maine Coast, 1916, Ink and crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35306 Kurt Schwitters, N Watercolor 1. (The Heart Goes from Sugar to Coffee) (N Aquarell 1. (Das Herz geht vom Zucker zum Kaffee)), 1919, Pencil and watercolor on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33542 Lewis Wickes Hine, Picking Tobacco, Oklahoma, 1916, printed later?, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/5199 Pavel Tchelitchew, Pierre Souvtchinsky, c. 1919, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34212 Otto Mueller, Adam und Eva, c. 1913–1922, Leimfarben auf Rupfen, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2004 Joseph Pennell, The Great Tower: Pig-Iron, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9626 Joseph Pennell, In the Jaws of Death, Rolling Bars for Shells, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9628 Joseph Pennell, Down Sansom Street, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9639 Joseph Pennell, The Cut, Looking toward Ancon Hill, 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9619 Paul Klee, Snail (Schnecke), 1914, Ink on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34935 Joseph Pennell, Munition Works, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9621 Joseph Pennell, Coronation of King George V and Queen Mary in Westminster Abbey, 1911, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9682 Joseph Pennell, The Old Gun-Pit, 1916, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9656 Charles Demuth, Early Houses, Provincetown, 1918, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32987 Paul Klee, Blick auf einen Fluss (View on a River), 1912, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8112 Joseph Pennell, The Treasury of Athens, Delphi, 1913, lithograph, National Gallery of Art, Washington. https://dartabase.art/cite/nga/9671 Arthur B. Davies, Study for Flume of Destiny, (c. 1910), Crayon and chalk on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35827