| Heinrich Kühn Landscape [Camera Work, no. 33, pl. 16] 1911 (photogravure) Photogravure 5 3/4 × 7 5/8 ins (14.6 × 19.3 cm) (image and sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1973, Accession Number: 1973-267-236 LL/71930
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