Fernand Léger, Verdun, The Trench Diggers ( Verdun, les foreurs ), 1916, Watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34690

Fernand Léger, Seated Nude, 1913, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34199

Aleksandr Rodchenko, Composition, 1919, Gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33376

Francis Picabia, "M'Amenez-y", Paris, November 1919 - January 1920, Oil and enamel paint on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38561

Francis Picabia, New York, 1913, Gouache, watercolor, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34734

Juan Gris, Still Life, 1916, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33870

Fernand Léger, The Game of Cards, 1916, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38600

Juan Gris, Glass, Siphon and Checkerboard, 1917, Charcoal, with stumping on cream laid paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/82027

Francis Picabia, Dada Movement (Mouvement Dada), 1919, Ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35993

Juan Gris, Still Life with Bottle and Funnel, 1911, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36672

Juan Gris, Portrait of Max Jacob, 1919, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33741

Francis Picabia, [Untitled], 1917, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38301

Fernand Léger, Contrast of Forms, 1912, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34165

Juan Gris, Glass and Bottle, 1913, Ink, gouache, watercolor, crayon, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34512

Juan Gris, Breakfast (Le Petit déjeuner), 1914, Gouache, oil, and crayon on cut-and-pasted printed paper on canvas with oil and crayon, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35572

Juan Gris, Compotier and Bottle, 1917, Conté crayon and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36126

Juan Gris, Portrait of Pablo Picasso, January–February 1912, Oil on canvas, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/8624