Marcel Duchamp, Monte Carlo Bond (No. 12), 1924, Cut-and-pasted gelatin silver prints on lithograph with letterpress, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32984 Marcel Duchamp, Designs for Chessmen, c. 1920, Ink, pencil, and relief printing on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35308 Marcel Duchamp, L.H.O.O.Q. Shaved, 1965, Playing card with colored ink on printed invitation, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37231 Marcel Duchamp, Handmade Stereopticon Slide, c. 1918–19, Pencil on gelatin silver prints mounted on black-paper-surfaced board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34823 Marcel Duchamp, Obligation Monte Carlo. Monte Carlo Bond, 1924–38, Colour lithograph on cream wove paper, Queensland Art Gallery and Gallery of Modern Art, Brisbane. https://dartabase.art/cite/qagoma/12284 Marcel Duchamp, Sundays, 1909, Conté crayon, ink, and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37779 Marcel Duchamp, Conversation, 1909, Pen and ink and wash on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37774