Amedeo Modigliani, Mario the Musician, 1920, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34113

Giorgio de Chirico, Portrait of Giovinetto Aldo Castelfranco, 1920, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33485

Ingeborg Andreasen-Lindborg, Lola, 1920, drypoint; sight 8 1/2 x 6 3/4 in. (21.6 x 17.1 cm), Smithsonian American Art Museum, Washington, D.C. https://dartabase.art/cite/smithsonian/ld1-1643381040022-1643381049324-1

Ivo Pannaggi, Collage, 1926, Parcel post wrapping, stamps, ink, and cut-and-pasted printed paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33036

Giorgio de Chirico, Euripides, 1921, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37600