Hélio Oiticica, Grupo Frente No. 136, 1956, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33146 Hélio Oiticica, Metaesquema, 1956, Gouache on incised board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35040 Hélio Oiticica, Metaesquema No. 179, 1956, Gouache and ink on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35047 Theo van Doesburg, Composition from Art of Today, Masters of Abstract Art (Art d'aujourd'hui, maîtres de l'art abstrait), Album I, 1953 (original executed in 1924), One from a portfolio of sixteen screenprint reproductions, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/31866 Lygia Pape, Book of Creation, 1959–60, Artist's book with sixteen unbound pages, some with goauche on board, paper, and string, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38590 Piet Mondrian, Composition from Art of Today, Masters of Abstract Art (Art d'aujourd'hui, maîtres de l'art abstrait), Album I, 1953 (original executed in 1921), One from a portfolio of sixteen screenprint reproductions, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/31863 Lygia Pape, [Untitled], 1959, Pen and black ink on cream Japanese paper, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/237016 Carybé (Hector Bernabó), The Hammock, 1955, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35628 Karel Appel, Beast, 1956, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/32981 Karel Appel, [Untitled], 1959, Crayon on paper (recto); pencil on paper (verso), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37614 Aloísio Magalhães, Landscape, 1956, Gouache and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33153 José Cláudio Da Silva, Apocalypse Number 3, 1956, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34055 Flávio de R. Carvalho, Dr. Carvalhal Ribas, 1955, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34589 Mário Cravo Júnior, Studies for Sculpture - With Dragons, 1956, Crayon, pencil, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34667 Flávio de R. Carvalho, Three Nudes, 1957, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34607 Hélio Oiticica, Metaesquema No. 237, 1957, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33127 Aldemir Martins, The Young Beggar, 1956, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34824 Hélio Oiticica, Metaesquema No. 348, 1958, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33108 Aldemir Martins, The Traitor, 1953, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34811 Mário Cravo Júnior, Studies for Sculpture, 1959, Ink and colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33056 Mário Cravo Júnior, Studies for Sculpture, 1959, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33039 Hélio Oiticica, Grupo Frente No. 73, 1955–56, Gouache on card, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33162 Hélio Oiticica, Metaesquema, 1958, Gouache on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35066 Carybé (Hector Bernabó), Hauling in the Net, (1957), Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35617 Mário Cravo Júnior, Studies for Sculptures - With Duelling Figures, 1956, Watercolor, pen and ink, pencil, and crayon(?), The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34653 Hélio Oiticica, Metaesquema No. 4066, 1958, Gouache on incised board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35054