Stockholm, 23 October 1956 - Institutional correspondence A letter from Bo Wennberg and K. G. Hulten to Pablo Picasso
October - December 1956 - Photograph Photograph of the installation of the exhibition Guernica, avec 60 études at the Nationalmuseum, Stockholm
Stockholm, 27 October and 1 de November 1956 - Institutional correspondence Memos of Swedish Foreign Ministry about the catalogue and exhibition Guernica