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