Science1972 · Felt-tip pen and ballpoint pen on paper11 3/4 × 8 1/4" (29.8 × 21 cm)Museum of Modern Art
WattsOSEPEight-Sided Plane of Six Masses and Four Scales1972 · Hot-rolled steel, mild steel, pickled and oiled, in six sectionsoverall 3" x 8' 7" x 6' 5/8" (7.6 x 261.7 x 184.5 cm)Museum of Modern Art
Study, for Untitled1968 · Oil pastel and graphite on graph paper32.2 × 38.6 cm (12 11/16 × 15 1/4 in.)Art Institute of Chicago
Study, for Untitled1968 · Oil pastel with opaque white watercolor on cream wove paper41.5 × 28.5 cm (16 3/8 × 11 1/4 in.)Art Institute of Chicago
Study, for Untitled1968 · Oil pastel on blue wove paper40 × 30.5 cm (15 3/4 × 12 1/16 in.)Art Institute of Chicago
Study, for Untitled1968 · Oil pastel on blue wove paper38.5 × 28 cm (15 3/16 × 11 1/16 in.)Art Institute of Chicago
Study, for Untitled1968 · Oil pastel with pink colored pencil and graphite on graph paper44.2 × 34.8 cm (17 7/16 × 13 3/4 in.)Art Institute of Chicago
Study, for Untitled1968 · Oil pastel with graphite and opaque white paint on graph paper29 × 35.5 cm (11 7/16 × 14 in.)Art Institute of Chicago
Study, for Untitled1968 · Oil pastel with graphite on ivory wove paper38.3 × 26.5 cm (15 1/8 × 10 7/16 in.)Art Institute of Chicago
Study, for Untitled1968 · Wax and oil pastel on brown paperboard40.3 × 30.8 cm (15 7/8 × 12 3/16 in.)Art Institute of Chicago
Untitled (Red)1962 · Unique woodcut in red on ivory tracing paper29.3 × 25.3 cm (11 9/16 × 10 in.)Art Institute of Chicago
WattsOSUUntitled1962 · color monotypeImage and Sheet: 21.5 x 14.6 cm (8 7/16 x 5 3/4 in.)Cleveland Museum of Art
WattsOSU(Untitled (DR62-44) from Carved Woodblock Monotypes1962 · MonotypeComposition: 10 1/16 x 4 1/2" (25.5 x 11.4 cm)Museum of Modern Art
WattsOSU(Untitled (DR62-92)from Carved Woodblock Monotypes1962 · MonotypeComposition: 8 11/16 x 5 1/4" (22.1 x 13.3 cm)Museum of Modern Art
WattsOSU(Untitled (DR6-2125) from Carved Woodblock Monotypes1962 · MonotypeComposition: 11 5/8 x 8 7/8" (29.5 x 22.5 cm)Museum of Modern Art