| Heinz Hajek-Halke Die Eisheiligen (Blackberry Winter - Lichtgraphik) 1960s Gelatin silver print, ferrotyped, on Agfa-Brovira paper 39,3 x 29,5 cm Bassenge Photography Auctions 19th - 21st Century Photography, 3 June 2015, Lot: 4221 LL/59797 Lit.: Michael Ruetz/Rolf Sachsse (eds.). Heinz Hajek-Halke. Der Alchemist. Göttingen 2012.
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