Alexander Bogomazov, Studies for Constructivist Compositions, 1920–22, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38183

Julio Montenegro, To Work Is to Pray (Laborar es orar), c. 1928, Colored ink, watercolor, and colored pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37951

Alexander Bogomazov, Ukrainian Peasants at the Market (recto); Untitled (verso), c. 1920, Ink on paper (recto); Ink on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36476

Alexander Bogomazov, Three Figures of Woodcutters, c. 1927–28, Watercolor and pencil on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36471

Julio Montenegro, Solidarity!! (Solidaridad!!), 1928, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37954

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

Julio Montenegro, Field, c. 1928, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37947

Alexis Gritchenko, Saltimbanques Turcs, 1920, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35449

Alexander Bogomazov, .a) Man and Woman Carrying Large Baskets  .b) Untitled, c. 1927–28, Watercolor and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36466