WattsOSKKnot1994 · Magnetic strip and steel filings on paper30 × 22 in. (76.2 × 55.9 cm)The Metropolitan Museum of Art
WattsOSTTTwo Triangles1993 · Steel wool on two sheets of paper18 × 24 in. (45.7 × 61 cm)The Metropolitan Museum of Art
WattsOSCSCarbon Series: Untitled1989 · Incised, cut, scratched, and folded carbon set7 in. × 8 1/2 in. (17.8 × 21.6 cm)The Metropolitan Museum of Art
WattsOSCSCarbon Series: Predictable View1976 · Torn, scratched, and folded carbon paper7 in. × 8 1/2 in. (17.8 × 21.6 cm)The Metropolitan Museum of Art
Square Erased and Replaced1974 · Pencil on paper22 1/4 x 30 1/8" (56.5 x 76.5 cm)Museum of Modern Art
WattsOSSESmall Elliptical Erasure1974 · Graphite and glassine envelope with erasure crumbs and paper filings on paper50 1/8 × 38 3/16 in. (127.3 × 97 cm)The Metropolitan Museum of Art
WattsOSFTFolded Torn Sprayed and Crumpled1974 · Acrylic on folded and torn paper42 13/16 × 32 × 1 15/16 in. (108.8 × 81.3 × 5 cm)The Metropolitan Museum of Art
Untitled from the Carbon SeriesIncised carbon paper over paper7 x 8 1/2" (17.8 x 21.6 cm)Museum of Modern Art