| Alvin Langdon Coburn The Duck Pond [Camera Work, no. 21, pl. 03] 1907 (taken) 1908 (photogravure) Photogravure 7 7/16 × 5 3/4 ins (18.9 × 14.6 cm) (image) 11 9/16 × 8 1/16 ins (29.3 × 20.5 cm) (sheet) Philadelphia Museum of Art Gift of Carl Zigrosser, 1966, Accession Number: 1966-205-21(3) LL/71442
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