"Guillaume-Benjamin-Amant Duchenne (de Boulogne), Expression of severity, 1854-1856, albumen print, printed 1862, image: 22.6 × 16.2 cm (8 7/8 × 6 3/8 in.) mount: 40.2 × 27.7 cm (15 13/16 × 10 7/8 in.), W. Bruce and Delaney H. Lundberg Fund, in Honor of the 25th Anniversary of Photography at the National Gallery of Art, 2015.52.4"
