| Hans Watzek The White Sail [Camera Work, no. 13, pl. 12] 1906 (photogravure) Photogravure 6 5/16 × 9 ins (16 × 22.8 cm) (image) 8 1/8 × 11 15/16 ins (20.7 × 30.3 cm) (sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1973, Accession Number: 1973-267-384 LL/72493
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