Untitled (Brown and Gray)1969 · Acrylic on paperSight: 171.4 × 122.8 cm (67 1/2 × 48 3/8 in.)Art Institute of Chicago
Untitled1967 · Acrylic on white wove paper mounted on masonite65.2 × 50.2 cm (25 11/16 × 19 13/16 in.)Art Institute of Chicago
WattsOSN2No. 2 (Red Maroons)1962 · oil on canvasFramed: 202 x 207 x 3.5 cm (79 1/2 x 81 1/2 x 1 3/8 in.); Unframed: 200.7 x 205.7 cm (79 x 81 in.)Cleveland Museum of Art
No. 14 (Horizontals, White over Darks)1961 · Oil on canvas56 1/2" x 7' 9 3/8" (143.3 x 237 cm)Museum of Modern Art
Black on Maroon1959 · Oil paint, acrylic paint and glue tempera on canvassupport: 2667 x 4572 x 38 mmTate
Red on Maroon1959 · Oil paint, acrylic paint and glue tempera on canvassupport: 2667 x 2388 x 35 mmTate
Black on Maroon1959 · Oil paint, acrylic paint and glue tempera on canvassupport: 2667 x 2286 x 42 mmTate
Black on Maroon1958 · Oil paint, acrylic paint, glue tempera and pigment on canvassupport: 2667 x 3812 mmTate
No. 37/No. 19 (Slate Blue and Brown on Plum)1958 · Oil on canvas7' 11 1/4" x 7' 6 1/4" (241.9 x 229 cm)Museum of Modern Art
No. 16 (Red, Brown, and Black)1958 · Oil on canvas8' 10 5/8" x 9' 9 1/4" (270.8 x 297.8 cm)Museum of Modern Art
Untitled (Purple, White, and Red)1953 · Oil on canvasUnframed: 197.5 × 207.7 cm (77 13/16 × 81 13/16 in.); 197.5 × 207.7 cm (77 3/4 × 81 3/4 in.)Art Institute of Chicago
Untitled (Painting)1953 · Oil on canvasUnframed: 265.1 × 298.1 cm (104 3/8 × 117 3/8 in.); 265.2 × 298.2 cm (104 3/8 × 117 3/8 in.)Art Institute of Chicago