Mougins, 14 November 1970 - Institutional correspondence Pablo Picasso's letter to the New York's Museum of Modern Art
MoMA, New York, January 8, 1970 - Photograph The Art Workers' Coalition and Guerrilla Art Action Group protest in front of Guernica
New York, March 11, 1970 - Petition A petition from the Art Workers' Coalition to remove Guernica from the galleries of the museum
New York, 27 February 1970 - Personal correspondence A letter from Meyer Schapiro to Alfred H. Barr Jr.
New York, February 24, 1970 - Letter A letter from Walter Bareiss and Robert Von Berg to Wilder Green
New York, January 22, 1970 - Letter A letter from the Operating Committee of the Museum of Modern Art, New York, to Joan Snyder
Paris, 1 March 1975 - Personal correspondence Claude Picasso's letter to William S. Lieberman, dated 1 March 1975
