| Wilhelm von Gloeden Two young boys, Etna in the background 1890s Albumen print 16,7 x 22,3 cm Bassenge Photography Auctions Auction 104, 3 December 2014, 19th - 21st Century Photography, Lot: 4036 LL/56060 Lit.: Italo Zannier. Wilhelm von Gloeden. Fotografie. Nudi, paesaggi, scene de genre. Florence 2008, ill. p. 117 (variant with one boy)
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