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

Sonia Delaunay, Robe Poeme No. 1328, 1923, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36114

Robert Delaunay, Football. L'Equipe de Cardiff, (1916), Oil on paper on wood, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38194

Robert Delaunay, Study for backdrop for the ballet Triomphe de Paris (The Triumph of Paris), 1928, Gouache on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36073

Sonia Delaunay, Pajamas for Tristan Tzara, 1923, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33389

Sonia Delaunay, Zaoum. Costume design for the play Le Coeur à Gaz, 1923, Watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36123

Robert Delaunay, Costumes for The Dance of Statues for Triumphe de Paris, 1928, Gouache on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36078

Sonia Delaunay, Tristan Tzara with Monocle, 1923, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36086

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

Sonia Delaunay, Étude de Robe No. 1284, 1926, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36102

Sonia Delaunay, Robe Poeme No. 688, 1922, Watercolor, gouache, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36107

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

Sonia Delaunay, Colored Rhythm, 1953, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38196

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

Robert Delaunay, Costume designs for the unrealized ballet Triomphe de Paris (The Triumph of Paris), 1928, Gouache and pencil on colored paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36067

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

Sonia Delaunay, Color Rhythm No. 1921-1973, 1973, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38198

Sonia Delaunay, Robe Poeme No. 1329, 1923, Watercolor, pencil, and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36097

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

Sonia Delaunay, Yellow Dancer. Costume design for the play Le Coeur à Gaz, 1923, Watercolor, ink, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36131

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