Alberto Giacometti, [Untitled], (1965), Ballpoint pen on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37264

Sonja Sekula, Untitled (Sketchbook), 1961, Spiral-bound notebook with gouache, ink, colored ink, metallic paint, pencil, colored pencil, and ballpoint pen on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34743

Agustín Fernández, [Untitled], 1967, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37871

Agustín Fernández, [Untitled], 1967, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37866

Jan Lebenstein, Axial Figure, 1961, Felt-tip pen on paper on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33172

Zbigniew Makowski, [Untitled], 1964, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38583

Jean Tinguely, Sketch for Homage to New York, 1960, Felt-tip pen and ink on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33838

Zbigniew Makowski, [Untitled], 1964, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37655

Zbigniew Makowski, [Untitled], 1965, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38584

Jan Lebenstein, Figure, 1962, Gouache, watercolor, and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37823

Raúl Milián, [Untitled], 1960, Watercolor and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33784

Agustín Fernández, The King and Queen, 1960, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33900

Andrzej J. Wroblewski, Instrument #3, 1962, Colored ink and ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37075

Pierre Haubensak, Study for Mauresque, 1965, Synthetic polymer paint on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35192

Jan Lebenstein, Axial Figure, 1960, Watercolor, ink, and ballpoint pen on graph paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37821

José Ygnacio Bermúdez, Winter Drawing 1967, 1967, Incised paper with synthetic polymer paint and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37035

Jean Tinguely, 50 RPM, 1965, Crayon, pencil, felt-tip pen, ballpoint pen and tape on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35860

Jan Lebenstein, Axial Figure, 1960, Felt-tip pen on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36323