Miguel Ocampo, Number 166, 1957, Tempera on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33816

Carl Fredrik Reuterswärd, Bam Bam, 1958, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37755

Carlos Maria Miguel Squirru, Cancer, 1957, Tempera on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35806

Raquel Forner, Moons, 1957, Colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35671