WattsOSUUntitled1979 · Graphite on paper4 3/4 × 4 3/8 in. (12.1 × 11.1 cm)The Metropolitan Museum of Art
WattsOSRSRubber Stamp Portfolio: Untitled1976 · rubber stampSheet: 20.3 x 20.4 cm (8 x 8 1/16 in.); Image: 11.3 x 18.9 cm (4 7/16 x 7 7/16 in.)Cleveland Museum of Art
WattsOSTITereisias III1972 · Graphite on paper6 1/4 × 4 7/8 in. (15.9 × 12.4 cm)The Metropolitan Museum of Art
WattsOSPMPlaque: Mr. and Mrs. Wise1953 · enamelOverall: 6.1 x 5.9 cm (2 3/8 x 2 5/16 in.)Cleveland Museum of Art
WattsOSUUntitled1950 · charcoal and white chalk (or white pastel)Sheet: 64.3 x 48.3 cm (25 5/16 x 19 in.); Mounted: 67.6 x 51.3 cm (26 5/8 x 20 3/16 in.)Cleveland Museum of Art
WattsOSUUntitled1947 · Charcoal with erasing on paper25 1/4 in. × 19 in. (64.2 × 48.3 cm)The Metropolitan Museum of Art
WattsOSUUntitled1942 · Charcoal on paper25 1/8 in. × 19 in. (63.8 × 48.3 cm)The Metropolitan Museum of Art