Untitled (Sketchbook)
1966 · Spiral-bound sketchbook with ballpoint pen, colored pencil, pencil, marker, and cut-and-pasted printed paper
book, closed: 13 15/16 × 11 5/16 × 13/16" (35.4 × 28.8 × 2 cm); sheet (each): 13 7/8 × 10 13/16" (35.3 × 27.5 cm)
Museum of Modern Art