WattsOSCICob II1977 · Wood, leather, painted horn, lacquer, and lead33 1/2 × 9 × 13 in., 12.1 lb. (85.1 × 22.9 × 33 cm, 5.5 kg)The Metropolitan Museum of Art
Umbrella Bird Life1973 · Ink, felt-tip pen, pencil, gouache, and colored pencil on cut-and-pasted paper on paper35 1/2 x 48" (90.2 x 121.9 cm)Museum of Modern Art
Untitled (Double Head)1971 · Cut-and-pasted painted paper, pressure-sensitive tape, and pencil on paper21 x 29" (53.3 x 73.7 cm)Museum of Modern Art
Untitled1970 · Pen and black ink on cream wove paperSight: 116.5 × 87.8 cm (45 7/8 × 34 5/8 in.)Art Institute of Chicago