No Title (Shrill whistle. Oh…), 1990. Pen and ink on paper, 14 x 10 1/2 (35.6 x 25.7 cm). Private collection. Courtesy David Zwirner, New York
No Title (Did I do…), 1987. Pen and ink on paper, 14 x 11 in (35.6 x 27.9 cm). Private collection, Switzerland. Courtesy Blondeau & Cie, Geneva
No Title (Batman was nowhere…), 1986. Ink on paper, 8 1/2 x 11 in (21.6 x 27.9 cm). Courtesy David Zwirner, New York
No Title (O.D. a Hippie), 1982. Pen and ink on paper, 17 x 11 in (43 x 28 cm). Collection Bruno Brunnet. Courtesy Contemporary Fine Arts, Berlin
No Title (Fight for freedom!), 1981. Pen and ink on paper, 11 x 8 1/2 in (27.9 x 21.6 cm). Private collection. Courtesy Regen Projects, Los Angeles
Captive Chains, 1978. Artist’s book, offset print, p. 57. 10 1/2 x 7 1/4 in (26.8 x 18.5 cm). Courtesy David Zwirner, New York
Captive Chains, 1978. Artist’s book, offset print, p. 45. 10 1/2 x 7 1/4 in (26.8 x 18.5 cm). Courtesy David Zwirner, New York
No title (This feeling is), 2011. Pen and ink on paper, 37 1/4 x 49 1/2 in (94.6 x 125.7 cm). Aishti Foundation, Beirut, Lebanon. Photography courtesy the artist and Regen Projects, Los Angeles
No Title (As he enlarged), 2009. Pen, ink, gouache, acrylic, and collage on paper, 38 1/4 x 38 3/4 in (97.2 x 98.4 cm). Private collection, London. Courtesy Sadie Coles HQ, London
No Title (The war, now…), 2008. Pen, ink, gouache, and acrylic on paper, 24 x 19 in (61 x 48.3 cm). Courtesy David Zwirner, New York
No Title (The land has…), 2008. Pen, ink, and gouache on paper, 29 1/2 x 22 1/4 in (74.9 x 65.5 cm). Courtesy David Zwirner, New York
No Title (To a tune), 1991. Ink on paper, 22 1/2 x 30 1/8 in (57.2 x 76.5 cm). Robert Berman Gallery, Santa Monica