| August Sander The Siebengebirge from Rolandsbogen to the Ölberg, Germany 1937 (ca) Gelatin silver print 9 × 11 3/8 ins (22.9 × 28.9 cm) (image) 9 3/16 × 11 1/2 ins (23.3 × 29.2 cm) (sheet) Philadelphia Museum of Art Purchased with a grant from the National Endowment for the Arts, 1979, Accession Number: 1979-143-3, © Artists Rights Society (ARS), New York / VG Bild-Kunst, Bonn LL/72154
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