| Alfred Stieglitz Page from Camera Notes with reproduction of "The Letter Box" [Camera Notes] 1898 Halftone reproduction 9 3/8 x 5 3/4 ins (23.8 x 14.6 cm) (sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1967, Accession Number: 1967-285-210 LL/72334
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