Alexander Lawson after Alexander Wilson, ‘Pinnated Grous, Blue-green Warbler, and Nashville Warbler’, published 1808-1814, National Gallery of Art, Washington, D.C.
plate: 32.6 x 26.7 cm (12 13/16 x 10 1/2 in.)  sheet: 37.6 x 29.1 cm (14 13/16 x 11 7/16 in.)