Piero Manzoni, Thumbprint, 1960, Ink on paper with colored mat, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36623

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

Mario Merz, Che Fare?, 1968–73, Aluminium, wax and neon lights, Tate, London. https://dartabase.art/cite/tate/AR00598

Lucio Fontana, Concetto Spaziale (Teatrino), plate 4, from the portfolio Quattro oggetti di Lucio Fontana e due poesie di Salvatore Quasimodo (Four Objects by Lucio Fontana and Two Poems by Salvatore Quasimodo), 1965–66, One from a portfolio with four screenprint and die-cuts on aluminum foil, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/18821

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

Lucio Fontana, Concetto Spaziale (Teatrino), plate 2, from the portfolio Quattro oggetti di Lucio Fontana e due poesie di Salvatore Quasimodo (Four Objects by Lucio Fontana and Two Poems by Salvatore Quasimodo), 1965–66, One from a portfolio with four screenprint and die-cuts on aluminum foil, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/18819

Lucio Fontana, Concetto Spaziale (Teatrino), plate 2, from the portfolio Quattro oggetti di Lucio Fontana e due poesie di Salvatore Quasimodo (Four Objects by Lucio Fontana and Two Poems by Salvatore Quasimodo), 1965–66, One from a portfolio with four screenprint and die-cuts on aluminum foil, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/18820

Gianfranco Baruchello, Assez Donc! (Enough!), 1963, Synthetic polymer paint, white-out, pencil, charcoal, pastel, colored pencil, and ballpoint pen on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/37496

Arnaldo Pomodoro, Study, 1960, Gouache and charcoal on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33223

Mario Merz, Lingotto, 1968, Brush-wood, beeswax and steel, Tate, London. https://dartabase.art/cite/tate/AR00608

Giacomo Porzano, The Riot, 1961, Ink and watercolor on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34042

Andrea Cascella, Studies for a Sculpture, 1964, Pencil on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/33319

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

Cesare Peverelli, The Room, 1962, Tempera and pencil on textured paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34577

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

Emilio Vedova, Franco's Spain, 1962, Ink on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/34593

Lucio Fontana, Concetto Spaziale (Teatrino), plate 1, from the portfolio Quattro oggetti di Lucio Fontana e due poesie di Salvatore Quasimodo (Four Objects by Lucio Fontana and Two Poems by Salvatore Quasimodo), 1965–66, One from a portfolio with four screenprint and die-cuts on aluminum foil, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/18817