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

Jannis Kounellis, [Untitled], 1960, Polyvinyl acetate paint and tempera on canvas, Tate, London. https://dartabase.art/cite/tate/AR00614

Jannis Kounellis, [Untitled], 1969, Stone, Tate, London. https://dartabase.art/cite/tate/AR01136

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

Victor Magariños, [Untitled], c. 1964, Watercolor and colored ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37451

Ricardo Martinez, Colored Incomprehension, 1964, Colored ink and crayon on newspaper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35713

Jorge Tapia, Last Summer's Blues, 1967, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37912

Jannis Kounellis, [Untitled], 1969, Burlap and beans, Tate, London. https://dartabase.art/cite/tate/AR00069

Jorge Demirjian, De la Pata del Caballo (From the Horse's Leg), 1967, Charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38127

Antonio Segui, [Untitled], 1967, Gouache, crayon, pastel, and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38164

Ernesto Deira, [Untitled], (1963), Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33086

Victor Magariños, [Untitled], c. 1964, Colored ink and oil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37465

Emilio J. Renart, Bio Cosmica C, 1966, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35084

Roberto Aizenberg, [Untitled], 1967–68, Pencil and colored pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38093

Victor Magariños, [Untitled], c. 1964, Colored ink and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37458

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

Humberto Rivas, Desperate Self-Portrait, 1966, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/35091

Jannis Kounellis, [Untitled], 1960–98, Steel panel, enamel on paper on 2 canvases, fabric, coal, 3 metal hooks and metal rod, Tate, London. https://dartabase.art/cite/tate/AR00068

Antonio Segui, [Untitled], (1963–64), Pastel, pencil, and gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38163

Roberto Aizenberg, [Untitled], 1966, Colored pencil and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38091

Jorge de la Vega, Documentary, 1966, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38123

Carlos Silva, Deyber, 1968, Gouache and pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38166

Jorge de la Vega, Parenthesis, 1967, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38125

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