WattsOSFLFlute Like Voices II1981 · Linoleum cutComposition (irreg.): 33 1/2 x 23 1/4" (85.1 x 59 cm)Museum of Modern Art
WattsOSFLFlute Like Voices I1981 · Linoleum cutComposition (irreg.): 33 3/8 x 22 3/4" (84.8 x 57.8 cm)Museum of Modern Art
WattsOSUWUnited war work campaign1915 · Commercial lithographSheet: 22 1/16 in. × 14 in. (56 × 35.5 cm)The Metropolitan Museum of Art
WattsOSTLThe Lark, May1895 · Linocut and hand-applied watercolorSheet: 18 3/8 × 12 3/8 in. (46.7 × 31.4 cm)The Metropolitan Museum of Art