WattsOSTBThe Bookman, May1897 · ReliefSheet: 16 7/16 × 11 11/16 in. (41.7 × 29.7 cm)The Metropolitan Museum of Art
WattsOSTBThe Bookman, October1897 · ReliefSheet: 16 9/16 × 11 1/2 in. (42.1 × 29.2 cm)The Metropolitan Museum of Art
WattsOSTCThe Century, March1895 · LithographSheet: 16 5/16 × 12 1/8 in. (41.5 × 30.8 cm)The Metropolitan Museum of Art
WattsOSCMCentury, Midwinter Number, February1890 · LithographSheet: 20 3/8 × 14 7/16 in. (51.7 × 36.6 cm)The Metropolitan Museum of Art
The Guillemot and the Puffin of the Isle of Man1762 · hand-colored etchingsheet: 29 × 22.7 cm (11 7/16 × 8 15/16 in.)National Gallery of Art
Pygmy Anteater1755 · hand-colored etching on laid paperplate: 23.5 x 18.7 cm (9 1/4 x 7 3/8 in.) sheet: 29.3 x 22.6 cm (11 9/16 x 8 7/8 in.)National Gallery of Art
Two Birds, One with Very Long Tailfeathers, and Blue Butterfly1745 · hand-colored etching on laid paperplate: 26.5 x 19 cm (10 7/16 x 7 1/2 in.) sheet: 29 x 22.7 cm (11 7/16 x 8 15/16 in.)National Gallery of Art
The Black and White Crested Bird of Paradise1743 · hand-colored etching on laid paperplate: 23.9 x 18.9 cm (9 7/16 x 7 7/16 in.) sheet: 27.9 x 22.1 cm (11 x 8 11/16 in.)National Gallery of Art