Stockholm, 23 October 1956 - Institutional correspondence Ernesto de Zulueta's letter to Alberto Martín-Artajo Álvarez
London, 31 May 2009 - Photograph A group of tourists strike a pose in front of a replica of Guernica during the event "A Taste of Spain"
Madrid, 10 September 1981 - Internal museum documents Certificate for the reception of Guernica, and its stretcher and related works