Theo van Doesburg, Study for Composition VIII (The Cow) (recto); Untitled (verso), c. 1917, Gouache, oil, and charcoal on paper (recto and verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35396

Vincent van Gogh, Bauernhaus in Nuenen, 1885, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1423

Theo van Doesburg, Study for a Composition, 1923, Gouache and ink on tissue paper and pen and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38206

Theo van Doesburg, Composition from Art of Today, Masters of Abstract Art (Art d'aujourd'hui, maîtres de l'art abstrait), Album I, 1953 (original executed in 1924), One from a portfolio of sixteen screenprint reproductions, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/31866

Pierre Alechinsky, Outside James' Showcase, 1968, Ink on mulberry paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32969

Theo van Doesburg, Contra-construction in a Circle, c. 1923, Gouache, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33496

Pierre Alechinsky, Study for The Snowman ([Étude] L'Homme des neiges), 1956, Ink and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35910

Vincent van Gogh, The Large Plane Trees (Road Menders at Saint-Rémy), 1889, oil on fabric, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/125249

Theo van Doesburg, Composition, 1917, dated 1915, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37350

Theo van Doesburg, Study for Composition (The Cow), 1917, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33340

Vincent van Gogh, Planteuse de pommes de terre, 1885, Schwarze Kreide und Kohle, gewischt, radiert und fixiert, auf geripptem Büttenpapier, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/34500

Vincent van Gogh, Terrace and Observation Deck at the Moulin de Blute-Fin, Montmartre, Early 1887, Oil on canvas, mounted on pressboard, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/27954

Theo van Doesburg, Design for a stained-glass window for Christian ULO School, Rehobôth te Drachten, 1922–23, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38207

Pierre Alechinsky, Vanished in Smoke, 1962, Distemper, ink, gouache and watercolor on paper on canvas, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33616

James Ensor, Demons Teasing Me, 1895, Etching on copper in black and hand-coloring on buff laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/20448

Pierre Alechinsky, One Day, the Night, 1960, Ink on transparentized paper on canvas, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37867

Vincent van Gogh, Adeline Ravoux, 1890, oil on fabric, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/135299

James Ensor, Mädchen mit Masken (Kommunion), 1921, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3321

Vincent van Gogh, Two Poplars in the Alpilles near Saint-Rémy, 1889, oil on fabric, Cleveland Museum of Art, Cleveland. https://dartabase.art/cite/cleveland/135310

Pierre Alechinsky, The Complex of the Sphinx, 1967, Synthetic polymer paint, oil, and ink on Japanese paper on canvas, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37446