Paul Klee, Christian Sectarian (Christlicher Sectierer), 1920, Oil transfer drawing and watercolor on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34187

Paul Klee, Asiatic God, 1924, Oil and plaster, over gauze, on panel, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/111668

Paul Klee, Scene among Girls (Scene unter Mädchen), 1923, Watercolor, gouache, ink, and pencil on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34033

Paul Klee, Errand Boy (Ausläufer), 1934, Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33968

Paul Klee, Slavery (Sklaverei), 1925, Oil transfer drawing, gouache and pencil on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33873

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

Paul Klee, Man with a Top Hat (Herr mit Cylinder), 1925, Sprayed gouache and ink on paper with gouache and ink borders on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37363

Paul Klee, Ohne Titel, c. 1938, Schwarze Kleisterfarbe und Tempera auf Zeitungspapier auf Karton, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/102025

Paul Klee, Old City Architecture (Alte Stadt-Architektur), 1924, Watercolor and ink with incising on prepared paper on board with ink and watercolor borders, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34994

Paul Klee, Fire in the Evening, 1929, Oil on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34854

Paul Klee, Portrait of an Equilibrist, 1927, Oil and collage on cardboard over wood with painted plaster border, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35209

Paul Klee, Flower Garden (Blumengarten), 1924, Black paste ground, gouache, and incising on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34977

Paul Klee, The Arrow before the Target (Der Pfeil vor dem Ziel), 1921, Oil transfer drawing and watercolor on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36564

Paul Klee, Early Morning in Ro... (Früher Morgen in Ro...), 1925, Watercolor on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38549

Paul Klee, Das Haus zur Distelblüte, 1919, Öl auf Karton, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4067

Paul Klee, Flowers in the Wind (Blumen im Wind), 1922, Watercolor and ink on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34960

Paul Klee, Hope and Destruction (Zerstörung und Hoffnung), 1916, lithograph with watercolor, National Gallery of Art, Washington. https://dartabase.art/cite/nga/8113

Giovanni Segantini, Alpenlandschaft bei Sonnenuntergang, 1895–1898, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1545

Paul Klee, Sacred Islands (Heilige Inseln), 1926, Ink and watercolor on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37016

Paul Klee, Girl with Doll Carriage (Mädchen mit Puppenwagen), 1923, Oil transfer drawing and watercolor with watercolor borders on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33151

Paul Klee, Twittering Machine (Die Zwitscher-Maschine), 1922, Oil transfer drawing, watercolor, and ink on paper with gouache and ink borders on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37347

Paul Klee, Scherzo with Thirteen (Das Scherzo mit der Dreizehn), 1922, Oil transfer drawing, watercolor, ink, and pencil on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34652

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

Paul Klee, Blick in das Fruchtland, 1932, Öl auf Karton, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/4081

Paul Klee, The End of the Last Act of a Drama (Schluss des letzten Aktes eines Dramas), 1920, Oil transfer drawing, watercolor and ink on paper with ink border on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38632

Paul Klee, The Angler (Der Angler), 1921, Oil transfer drawing, watercolor, and ink on paper with watercolor and ink borders on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33587

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

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

Paul Klee, Dying Plants (Sterbende Pflanzen), 1922, Watercolor, pencil, and ink on paper with watercolor borders on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33938