| Adam Clark Vroman Self-portrait of photographer Adam Clark Vroman (1856-1916), Arizona, Apache, Canyon de Chelly 1904 Platinum print 15.3 × 20.5 cm (6 × 8 1/16 in.) (image) 16.3 × 21.4 cm (6 7/16 × 8 7/16 in.) (sheet) National Portrait Gallery, Smithsonian Institution Object number: NPG.2013.4 LL/119616
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