| Unidentified photographer (German) Edward Stieglitz and His Sons, Leopold, Alfred, Julius - Germany 1884 Gelatin silver print 5 7/8 × 4 1/8 ins (15 × 10.4 cm) (image) 6 1/8 x 4 3/8 ins (15.6 x 11.1 cm) (sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1969, Accession Number: 1969-83-102 LL/71340
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