Thomas Eakins, Portrait of Mrs. Helen Mac Knight (Portrait of a Mother), (c. 1903), Oil on canvas; 20 1/8 x 16 in. (51 x 40.6 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859650-0

Auguste Rodin, Nude with Serpent, (c. 1900–05), Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35331

John Covert, Reclining Female Nude/Verso: Female Nude Seen from the Rear, (c. 1905), Oil on canvas; recto: 34 x 49 5/8 in. (86.4 x 126 cm) verso: 49 5/8 x 34 in. (126 x 86.4 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859045-0

Odilon Redon, Vase of Flowers, c. 1905, oil on fabric, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/115067

Jacques Villon, Girl on Balcony, c. 1900, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35271

Louis Michel Eilshemius, Dark Clouds, (c. 1901), Watercolor and pencil on paper; 10 1/16 x 14 1/8 in. (25.5 x 35.8 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859766-2

Paula Modersohn-Becker, Mädchenkopf, c. 1905, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3998

Winslow Homer, Early Morning After a Storm at Sea, 1900–1903, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/106088

Auguste Rodin, Rear View of Female Figure in Action, 1904, watercolor over graphite on wove paper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1028

Helen Beatrix Potter, The Mice at Work: Threading the Needle, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01100

Lyonel Feininger, The Miller and His Child (Der Müller und sein Kind), 1907, Ink, crayon and opaque watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34226

Helen Beatrix Potter, The Mice Sewing the Mayor’s Coat, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01104

Helen Beatrix Potter, Simpkin Hears the Mice, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01103

Edmund C. Tarbell, On Bos'n's Hill, 1901, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/156813

Jacques Villon, Woman with Umbrella, c. 1900, Watercolor and pencil, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35280

Édouard Vuillard, Beim Brettspiel (La partie de Dames), 1902, Öl auf Holz, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1794

Pablo Picasso, Head of a Woman, spring 1909, Gouache, watercolor, and black and ochre chalks, manipulated with stump and wet brush, on cream laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/53111

Helen Beatrix Potter, The Tailor of Gloucester at Work, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01090

Helen Beatrix Potter, The Mice Escape, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01097

Helen Beatrix Potter, The Tailor Returning Home, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01093

Max Pechstein, Reclining Nude with Cat, 1909, Ink and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36958

Helen Beatrix Potter, The Tailor Leaving his Workshop, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01092

Daniel Hudson Burnham, Plate 122 from The Plan of Chicago, 1909: Chicago. Railway Station Scheme West of the River Between Canal and Clinton Streets, Showing the Relation With the Civic Center., 1905, Graphite and watercolor on paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/196359

Georges Rouault, Woman at a Table (The Procuress), 1906, Watercolor and pastel on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37216

William Glackens, The Artist's Wife, (c. 1905), Oil on canvas; 15 x 18 in. (38 x 45.7 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399860187-1

Helen Beatrix Potter, Simpkin in the Snowy Street, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01102

Thomas Eakins, Frank B. A. Linton, 1904, Oil on canvas; 24 x 20 1/4 in. (61 x 51.2 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859648-0

Auguste Rodin, Leaving the Earth, 1900/05, Watercolor and graphite, with smudging, on cream wove paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/66961

Auguste Chabaud, Hotelflur, c. 1907–1908, Öl auf Karton, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2806

Henri Rousseau, Fight Between a Tiger and a Buffalo, 1908, oil on fabric, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/126769

Auguste Rodin, Nude Woman Carrying Vase on Head, 1909, graphite and watercolor, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1025

Paul Klee, Still Life with Four Apples (Stilleben mit vier Früchten in Schale vor dunkelgrünem Grunde), 1909, Oil and gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33358

Abraham Walkowitz, Abstraction, 1906, Pencil and watercolor on paper; 18 × 11 15/16 in. (45.8 × 30.3 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399863482-1

Pablo Picasso, The Mill at Horta, (Summer 1909), Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34794

Daniel Hudson Burnham, Plan of the Center of the City, the 1909 Plan of Chicago, 1909, Ink and watercolor on paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/196352

Auguste Rodin, Stretching Figure, c. 1900–1906, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35633

Helen Beatrix Potter, The Mice Stitching Button-Holes, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01110

Alfred Kubin, Untitled (The Eternal Flame) (Die ewige Flamme), c. 1900, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37516

Ottilie W. Roederstein, Bildnis des Malers Jakob Nussbaum, 1909, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2977

William Merritt Chase, Good Friends, (c. 1909), Oil on wood; 22 1/4 x 31 in. (56.4 x 78.5 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399858946-0

Helen Beatrix Potter, The Tailor by the Hearth, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01095

Ferdinand Hodler, Bezauberter Knabe, um 1909, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2061

Frank von der Lancken, The Sisters, 1903, oil on canvas; 15 7/8 x 13 in. (40.2 x 33.0 cm), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381056043-0

Pablo Picasso, Head of a Woman, Spring 1909, Gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33130

Pablo Picasso, Seated Female Nude, summer 1909, Watercolor and gouache, over graphite, on tan wove paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/79377

Alfred Henry Maurer, Young Woman with Fan, (c. 1902), Oil on canvas; 36 1/8 × 29 in. (91.7 × 73.6 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399861528-1

Jules Guérin, Proposed Chicago Civic Center, Chicago, Illinois, Perspective, 1908, Ink, colored inks, graphite, and watercolor on toned paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/90737

Ernst Ludwig Kirchner, Fehmarn-Häuser, 1908, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2441

Edward Potthast, The Model, (before 1900), Oil on canvasboard; 31 3/4 x 17 7/8 in. (80.5 x 45.3 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399862194-0

Henri-Edmond Cross, Landscape with Figures, c. 1905, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35440

Louis Michel Eilshemius, Samoan Scene, 1908, Oil on fiberboard; 23 1/4 x 30 in. (59.1 x 76.4 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859786-1

Helen Beatrix Potter, The Finished Coat, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01108

Odilon Redon, The Blue Vase, (after 1900), Watercolor, pencil, and conté crayon on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35636

Gabriele Münter, Interior (Das Interieur), 1908, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38372

Auguste Rodin, The Embrace, 1900–1910, Graphite, watercolor, and gouache, The Metropolitan Museum of Art, New York. https://dartabase.art/cite/met/334656

Daniel Hudson Burnham, Plate 137 from The Plan of Chicago, 1909: Chicago. View of the Proposed Development in the Center of the City, from Twenty-Second Street to Chicago Avenue, Looking Towards the East Over the Civic Center to Grant Park and Lake Michigan, 1907, Gouache and graphite on toned paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/196398

Pablo Picasso, Brooding Woman (recto); Three Children (verso), 1904, Watercolor on paper (recto and verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33008

Helen Beatrix Potter, Simpkin Housekeeping, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01094

Louis Michel Eilshemius, Sailboat, Stormy Sea, (c. 1907), Oil on paperboard mounted on fiberboard; 22 1/8 x 28 1/4 in. (56 x 71.6 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859763-0

Paul Signac, Les Alyscamps, Arles, 1904, Watercolor and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33324

Mikhail Larionov, Still Life, (c. 1906), Gouache and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36047

Helen Beatrix Potter, Simpkin Goes Out, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01101

Ernst Ludwig Kirchner, Varieté, c. 1909–1910, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2135

Louis Michel Eilshemius, Two Nudes, 1900, Watercolor and pencil on paper; 13 15/16 x 19 15/16 in. (35.4 x 50.7 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859792-1

Auguste Rodin, Reclining Woman, c. 1900–06, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35622

Léon Bakst, Nijinsky, 1909, Oil on canvas, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36546

Max Bohm, Lucy, 1909, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/443541

Emil Carlsen, Wood Interior, c. 1910, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/108809

Vasily Kandinsky, Kallmünz - Hellgrüne Berge, 1903, Öl auf vorgrundierter Leinwand, auf Karton kaschiert, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/128291

Walter Richard Sickert, Pimlico, 1909, Charcoal, watercolor, and chalk on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34956

Max Beckmann, Selbstbildnis, 1905, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3291

Daniel Hudson Burnham, View of the Proposed Civic Center Plaza and Buildings, The 1909 Plan of Chicago, 1908, Graphite and watercolor on paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/196393

Lady Edna Clarke Hall, Catherine Leaning on a Wall, c.1900–5, Ink and watercolour on paper, Tate, London. https://dartabase.art/cite/tate/A01064

Pablo Picasso, Head (Study for Les Demoiselles d'Avignon), 1906, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36610

Maurice Denis, Frühstück, 1901, Öl auf Pappe, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3242

Helen Beatrix Potter, The Tailor Hears Noises, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01096

Louis Michel Eilshemius, Girl on a Pier, (c. 1900), Watercolor and pencil on paper; 12 1/8 x 20 in. (30.7 x 50.8 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859779-1

James McNeill Whistler, An Ajaccio Fisherman, 1901, Graphite and brown watercolor on cream wove paper, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/5084

Jerome Myers, Children Dancing, 1903, Oil on canvas; 16 1/8 x 22 1/8 in. (41 x 56.2 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399861697-1

Diego Rivera, Dead Horse, 1906, Charcoal and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38699

Max Liebermann, Simson und Delila, 1902, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3013

Henri Rousseau, Die Allee im Park von Saint-Cloud, c. 1908, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3254

Ernst Ludwig Kirchner, Lake with Sailboats, c. 1912, Graphite and watercolor on white wove paper, Harvard Art Museums, Cambridge. https://dartabase.art/cite/harvard/5365

André Derain, Bacchic Dance, (1906), Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33573

Lyonel Feininger, Ye Learned Apothecary, 1901, Opaque watercolor, pencil and ink on paper-faced board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34174

Ernst Ludwig Kirchner, Liegende Frau in weißem Hemd, c. 1909, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3983

Piet Mondrian, Red Amaryllis with Blue Background, c. 1907, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38743

John Byam Shaw, The Tempest, c. 1900, Watercolor, gouache, and chalk on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36085

Piet Mondrian, Amstel River, 1907, Watercolor and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36627

Pablo Picasso, Two Acrobats with a Dog, 1905, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35378

Max Beckmann, Wasserturm in Hermsdorf, 1909, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3332

Helen Beatrix Potter, Frontispiece: The Tailor Mouse, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01089

George Bellows, Stag at Sharkey's, 1909, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/92937

George Bellows, Under the Elevated, 1908–12, Watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33354

Paul Cézanne, Mont Sainte-Victoire, 1902–06, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34092

Arthur B. Carles, Autumn (L'Automne), 1902, Oil on canvasboard; 7 1/4 x 8 15/16 in. (18.4 x 22.7 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399858872-0

Pablo Picasso, Bathers in a Forest, 1908, Gouache, watercolor, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33370

John Sloan, The Rathskeller, 1901, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/124679

Helen Beatrix Potter, Lady Mouse in Mob Cap, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01091

Georges Rouault, Circus Act, 1905, Pastel, charcoal, watercolor, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34911

Dana Smith, Woman in Interior, c. 1900, oil and lithographed paper on canvas; 18 1/8 x 26 1/8 in. (46.1 x 66.5 cm), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381054632-1

Daniel Hudson Burnham, Plate 49 from Plan of Chicago 1909: Chicago. View of the City from Jackson Park to Grant Park, Looking Towards the West. The proposed shore treatment as a park enclosing a waterway (or a series of lagoons) is shown, together with the enlarged yacht harbor, recreation piers, and a scheme for Grant Park., 1907, Watercolor with graphite on cream wove paper, discolored to tan, laid down on canvas, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/196323

Pablo Picasso, Meditation (Contemplation), (late 1904), Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33823

Helen Beatrix Potter, The Mice Listen to the Tailor’s Lament, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01098

Paul Cézanne, House Among Trees, c. 1900, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33180

Helen Beatrix Potter, ‘No More Twist’, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01109

Alexei Jawlensky, Stillleben mit Petroleumlampe, 1907, Öl auf Pappe, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/128290

Ferdinand Hodler, Genfer See mit den Savoyer Alpen, 1907–1911, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4089

Childe Hassam, Isle Of Shoals, (c. 1901), Watercolor on paper mounted on paperboard; 14 1/16 x 20 in. (35.7 x 50.8 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399860508-0

Hippolyte Petitjean, Landscape with Road, (c. 1900), Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38063

Frank von der Lancken, Housatonic Valley, 1902, oil on canvas mounted on fiberboard; 14 x 20 in. (35.5 x 50.8 cm), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381056042-1

Helen Beatrix Potter, ‘Where is My Twist?’, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01099

Dana Smith, Triangular Mountainscape with Tunnel, c. 1900, oil on canvas; 31 1/2 x 35 3/4 in. (80.0 x 90.8 cm.) triangle, Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381054633-0

Mary Louisa Adams Clement, Boy in Peasant Costume, 1907, watercolor on ivory; sight 3 3/4 x 2 7/8 in. (9.5 x 7.3 cm) rectangle, Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381043647-0

Pierre Bonnard, Liegender Akt auf weißblau kariertem Grund, c. 1909, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2142

Anonymous Artist, Saint Bernard with Donor [obverse], probably early 20th century, oil on panel, National Gallery of Art, Washington. https://dartabase.art/cite/nga/3200

Constantin Brancusi, The First Step, c. 1912, Oil, over graphite, on brown woodpulp board, prepared with shellac, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/82499

Vasily Kandinsky, Church at Murnau (Kirche in Murnau), 1909, Oil on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36284

Ernst Ludwig Kirchner, Szene im Wald (Moritzburger Teiche), c. 1909–1925, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2417

Robert Henri, Portrait of a Young Girl (Brinkmann's Daughter), 1907, Oil on canvas; 23 7/8 x 20 1/8 in. (60.4 x 50.9 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399860539-0

Marcel Duchamp, Sundays, 1909, Conté crayon, ink, and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37779

Pablo Picasso, Head of the Medical Student (Study for Les Demoiselles d'Avignon), 1907, Gouache and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33169

František Kupka, View from a Carriage Window, c. 1901, Gouache and watercolor on paper with cardboard overlay, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34108

Julian Alden Weir, The Building of the Dam, 1908, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/108999

Oskar Kokoschka, Nude with Back Turned (In den Hüften nach links gedrehter weiblicher Rückenakt) (recto); Untitled (verso), 1909, Ink, gouache, and chalk on paper (recto); Ink, gouache, crayon and graphite on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37311

Alfred Kubin, Government (Der Staat), 1901, Ink and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33912

Ernst Ludwig Kirchner, Wrestlers in a Circus, 1909, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/142792

Odilon Redon, Profile of a Woman, (after 1900), Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35829

Rockwell Kent, Maine Coast, 1907, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/92936

Pablo Picasso, Woman with a Helmet of Hair, 1904, Gouache on tan wood pulp board, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/68414

Lady Edna Clarke Hall, Study for Catherine. Verso: Upminster Common, 1902, Ink on paper. Verso: ink and watercolour on paper, Tate, London. https://dartabase.art/cite/tate/A01072

Paul Gauguin, The Call, 1902, oil on fabric, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/123168

Edward Hopper, Portrait of Hettie Duryea Meade, (c. 1905), Oil on canvas; 22 x 18 1/8 in. (55.9 x 45.9 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399860625-1

Robert Koehler, Rainy Evening on Hennepin Avenue, c. 1902, Oil on canvas, Minneapolis Institute of Art, Minneapolis. https://dartabase.art/cite/mia/25.403

Maurice Prendergast, Beach at Saint-Malo, (1907), Watercolor, opaque paint, oil, and crayon on paper; 13 7/8 x 19 15/16 in. (35 x 50.6 cm) [irreg.], Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399862206-0

Anonymous Artist, Moonlight, early 20th century, oil on canvas, National Gallery of Art, Washington. https://dartabase.art/cite/nga/3204

Hans Thoma, Der Krieg, 1907, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1984

Auguste Rodin, Dancing Figure, 1905, graphite and watercolor, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1029

Max Beerbohm, John Singer Sargent, 1909, Watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35675

Charles Demuth, Man Standing on Dunes / Verso: Landscape, Maine, (1909–1910), Oil on paperboard; recto: 10 x 8 in. (25.4 x 20.3 cm) verso: 8 x 10 in. (20.3 x 25.4 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859510-1

George Luks, Holiday on the Hudson, c. 1912, oil on canvas, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/172828

Helen Beatrix Potter, The Tailor and Simpkin Set Out for the Shop, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01107

Max Liebermann, Judengasse in Amsterdam, 1908, Öl auf Holz, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3014

Henri Matisse, Portrait of Mme Manguin, 1905–06, Ink and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33226

Karl Wilhelm Diefenbach, Du sollst nicht töten, 1902, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/102642

Édouard Vuillard, Café Wepler, c. 1908–10, reworked in 1912, oil on fabric, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/128074

Louis Michel Eilshemius, The Demon of the Rocks, 1901, Oil on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35995

John Singer Sargent, Peter A. B. Widener, 1902, oil on canvas, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1240

Helen Beatrix Potter, The Mice Hear Simpkin Outside, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01105

Lyonel Feininger, Studies for the comic The Kin-der-Kids, 1906, Ink, pencil, crayon and watercolor on paper (recto); Pencil on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34191

Albert Herter, Self-Portrait in Costume of Hamlet, c. 1900, oil on canvas; 36 x 24 1/4 in. (91.5 x 61.5 cm), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381046794-0

Félix Vallotton, Jura-Landschaft bei Romanel, 1900, Öl auf Malpappe, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4057

Auguste Rodin, Kneeling Woman, 1900–06, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35613

Jacques-Émile Blanche, Junges Mädchen nach dem Maskenball (La petite masque), 1906, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1388

Thomas Eakins, Portrait of Mrs. Richard Day, (1903), Oil on canvas; 24 1/8 x 20 1/8 in. (61.1 x 50.9 cm), Hirshhorn Museum and Sculpture Garden, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643399857816-1643399859673-1

Helen Beatrix Potter, Simpkin at the Tailor’s Bedside, c.1902, Ink, watercolour and gouache on paper, Tate, London. https://dartabase.art/cite/tate/A01106

František Kupka, Prometheus, (1909), Gouache, watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36018

Paula Modersohn-Becker, Liegender Mann unter blühendem Baum, 1903, Öl auf Pappe, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2197