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
East Hampton Meadows1883 · Oil on canvas15 x 23 3/4 in. (38.1 x 60.3 cm)The Metropolitan Museum of Art
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