| Alfred Stieglitz Music - A Sequence of Ten Cloud Photographs, No. VI 1922 Gelatin silver print 9 9/16 x 7 5/8 ins (24.3 x 19.4 cm) (image) 10 x 8 ins (25.4 x 20.3 cm) (sheet) Philadelphia Museum of Art The Alfred Stieglitz Collection, 1949, Accession Number: 1949-18-81 LL/72285
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