Max Ernst, Sun and Forest (Soleil et forêt), 1931, Cut-and-pasted cardboard with oil, gouache, and pencil on paperboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36573

Max Ernst, Forest and Sun, 1931, Graphite frottage on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37053

Max Ernst, Loplop Introduces Members of the Surrealist Group (Loplop présente les membres du groupe surréaliste), 1931, Cut-and-pasted gelatin silver prints, cut-and-pasted printed paper, pencil, and pencil frottage on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35777

George Grosz, An Orderly. Costume design for the play The Case of Sergeant Grischa (Der Streit um den Sergeanten Grischa), c. 1930, Watercolor, ink and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33882

Francis Picabia, Transparence - Tête et Cheval, (c. 1930), Ink, gouache, and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33525

Hannah Höch, Indian Dancer: From an Ethnographic Museum (Indische Tänzerin: Aus einem ethnographischen Museum), 1930, Cut-and-pasted printed paper and metallic foil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37360

Max Ernst, Butterflies (Papillons), 1931, Cut-and-pasted printed and painted paper, cellophane, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35461

George Grosz, Punishment (Strafe), 1934, Watercolor and opaque watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35002

George Grosz, The Last Soldier, 1937, Watercolor, opaque watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34670

George Grosz, Fritzke and Birkholz. Costume designs for the play The Case of Sergeant Grischa (Der Streit um den Sergeanten Grischa), c. 1930, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33869