Rodolfo Abularach, [Untitled], 1960, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33940

Jirí Kolár, Stinova (Mrs. Stein), (1960's), Cut-and-pasted printed paper on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36697

Rodolfo Abularach, [Untitled], 1964, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37406