| Unidentified photographer (Chicago Tribune) Harry Callahan 1957 Gelatin silver print 20 x 25 cm Photoceros Bulletin Télétransmis, Photoceros, Numéro six, (5 June 2014), No. 26 LL/54847 Used as an illustration in the Chicago Sunday Tribune, (10 March 1957). Also used in his obituary in the Chicago Tribune (1999).
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