White-crowned Sparrow. Dated: 1831. Dimensions: plate: 49.9 x 31.4 cm (19 5/8 x 12 3/8 in.) sheet: 100.3 x 68 cm (39 1/2 x 26 3/4 in.). Medium: hand-colored etching and aquatint on Whatman paper. Museum: National Gallery of Art, Washington DC. Author