Los Angeles, 3 March 2003 - Photograph A replica of Guernica with the UN logo projected at the intersection of Hollywood and Sunset Boulevard
Paris, 2 November 1979 - Personal correspondence A copy of a letter Claude Picasso wrote to William Rubin, director of Painting and Sculpture at MoMA
New York, 22 February 1979 - Institutional correspondence Michael Blackwood's letter to Louise Kreisberg
Paris, 1 March 1975 - Personal correspondence Claude Picasso's letter to William S. Lieberman, dated 1 March 1975