New York, 9 July 1956 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 9 July 1956
New York, 30 May 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 30 May 1957
New York, April 14, 1967 - Letter Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
New York, 17 July 1968 - Internal museum documents Jean Volkmer's letter to Bates Lowry, dated 17 July 1968
New York, 9 September 1981 - Institutional correspondence An internal letter from Richard E. Oldenburg to staff at the Museum of Modern Art, New York
New York, 10 March 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 10 March 1955
Paris, 12 November 1969 - Institutional correspondence A letter from Roland Dumas to William S. Lieberman, dated 12 November 1969
New York, March 11, 1970 - Petition A petition from the Art Workers' Coalition to remove Guernica from the galleries of the museum
MoMA, New York, January 8, 1970 - Photograph The Art Workers' Coalition and Guerrilla Art Action Group protest in front of Guernica
New York, 28 February 1974 - Institutional correspondence A letter from the Guerrilla Art Action Group to Richard Oldenburg
New York, 20 July 1979 - Press release and communication A communiqué from the Museum of Modern Art, New York, about moving Guernica
1980 - Photograph Crowds waiting to enter the exhibition Pablo Picasso: A Retrospective at the Museum of Modern Art, New York
New York, 1978 - Internal museum documents An internal letter on the departure of Guernica from the Museum of Modern Art, New York
New York, 20 March 1980 - Internal institutional documents An agreement over the conditions and delivery date of Guernica
Mougins, 14 November 1970 - Institutional correspondence Pablo Picasso's letter to the New York's Museum of Modern Art
Cambridge, Massachusetts, 20 November 1939 - Personal correspondence Josep Lluís Sert's letter to Pablo Picasso, dated 20 November 1939
New York, 15 December 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 December 1939