| Heinrich Kühn Lotte and Her Nurse [Camera Work, no. 33, pl. 14] 1911 (halftone) Halftone 7 3/16 × 5 3/4 ins (18.2 × 14.6 cm) (image and sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1973, Accession Number: 1973-267-234 LL/71931
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