| Alfred Stieglitz Music - A Sequence of Ten Cloud Photographs, No. X 1922 Gelatin silver print 9 7/8 × 7 15/16 ins (25.1 × 20.1 cm) (image and sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1970, Accession Number: 1970-241-9 LL/72288
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