WattsOSLDL'Île de la Cité, Paris1926 · drypointSheet: 43.5 x 56 cm (17 1/8 x 22 1/16 in.); Platemark: 29.9 x 42.5 cm (11 3/4 x 16 3/4 in.)Cleveland Museum of Art
WattsOSMVMission Valley, San Diego1925 · Watercolor on paper15 x 20 7/8 in. (38.1 x 53 cm)The Metropolitan Museum of Art
The Firefly1907 · photoaquatint on Japanese paper (handmade paper), paperheight: 233 cm, height: 203 cm, width: 211 cm, width: 158 cmRijksmuseum
WattsOSTLTremezzo, Lake Como1898 · Watercolor, gouache, and graphite on light green wove paper14 x 20 in. (35.6 x 50.8 cm)The Metropolitan Museum of Art
WattsOSASAlexander Stuart Murray1890 · Oil on canvas30 x 24 in. (76.2 x 61 cm)The Metropolitan Museum of Art
East Hampton Meadows1883 · Oil on canvas15 x 23 3/4 in. (38.1 x 60.3 cm)The Metropolitan Museum of Art
A View on the South Downs1871 · Watercolor and gouache, with touches of scraping, over traces of graphite, on off-white wove paperSight: 49.5 × 88.3 cm (19 1/2 × 34 13/16 in.)Art Institute of Chicago
WattsOSARAusable River1870 · Watercolor on light brown oatmeal wove paper12 5/8 x 14 5/8 in. (32.1 x 37.1 cm)The Metropolitan Museum of Art
WattsOSRBRoaring Brook—Adirondack Mountains1868 · Graphite and white gouache on tan paper16 7/8 x 12 3/4 in. (42.9 x 32.4 cm)The Metropolitan Museum of Art
Red School House (Country Scene)1858 · Oil on canvas26 x 36 1/4 in. (66 x 92.1 cm)The Metropolitan Museum of Art