František Kupka, [Untitled], 1928, Gouache, watercolor, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38252

Juan Downey, Drawing for With Energy Beyond These Walls, 1969, Pencil, crayon, and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34928

Guillermo Núñez, Untitled (From the series: Diario de Vida de New York), 1965, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35757

Edvard Munch, Eifersucht, 1913, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/2776

Juan Downey, A Clean New Race, 1970, Colored pencil, pencil, and gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37439

Luis Herrera Guevara, Self-Portrait (Autorretrato), 1933, Oil and gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33048

František Kupka, Admiration, c. 1899, Gouache, charcoal, watercolor, crayon, and pastel on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33684

Johan Christian Clausen Dahl, Der Ausbruch des Vesuv im Dezember 1820, 1826, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/1810

Mario Carreño, Sugar Cane Cutters, 1943, Ink and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33609

Guillermo Núñez, Untitled (From the series: Diario de Vida de New York), 1965, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35770

František Kupka, Replica of Fugue in Two Colors: Amorpha, 1912, (1946), Gouache, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34761

Edvard Munch, In der Schenke, 1890, Öl auf Leinwand, Städel Museum, Frankfurt am Main. https://dartabase.art/cite/staedel/3215

František Kupka, Replica (1946) of Vertical Planes, (1946), Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34788

Roberto Matta, Untitled from VVV Portfolio, 1942, published 1943, Watercolor and pencil from a portfolio of five etchings (one with aquatint), three duplicated drawings (two watercolor on paper and one crayon on paper), one collage, one engraving, and one gelatin silver print, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32011

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

František Kupka, [Untitled], c. 1925–30, Colored pencil, pencil, ink, and oil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38250

František Kupka, Study with Green, (c. 1912), Chalk and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38151

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