| Peter Keetman Volkswagenwerk, Wolfsburg 1953 (taken) 1990s (print) Gelatin silver print 27 x 26 cm (50.3 x 40 cm) Bassenge Photography Auctions 19th – 21st Century Photography, 8 December 2021, Lot: 4223 LL/115586 Lit.: Holger Broeker (ed.) Kunstmuseum Wolfsburg. Peter Keetman - Volkswagenwerk 1953. Bielefeld, 2003, ill. p. 137.
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