Raúl Martínez, La Juventuo et Ala, 1978, Gouache and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34020

Agustín Fernández, [Untitled], 1972, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34656