New York, 10 March 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 10 March 1955
1980 - Photograph Crowds waiting to enter the exhibition Pablo Picasso: A Retrospective at 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
New York, 15 December 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 December 1939
ca. 1941–1942 - Internal museum documents List of dates and centres for the circulating exhibition Picasso: Epochs in His Art
1943 - Internal museum documents Itinerary of the touring exhibition Picasso: Forty Years of His Art and its adaptations from 1940 to 1943
New York, 4 November 1944 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 4 November 1944
1945 - Internal museum documents Alfred H. Barr Jr.'s notes for the screenplay of the film Guernica by Robert Flaherty
Paris, 29 May 1947 - Institutional correspondence Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 29 May 1947
Mexico, 10 July 1947 - Personal correspondence Juan Larrea's letter to Alfred H. Barr Jr., dated 10 July 1947
Paris, 3 October 1948 - Institutional correspondence Pablo Picasso's letter to Alfred H. Barr Jr., dated 3 October 1948
ca. 1952–1956 - Internal museum documents List of museums and dates for the exhibition Studies for Guernica
New York, 9 July 1956 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 9 July 1956
New York, 20 February 1956 - Institutional correspondence Alfred H. Barr Jr.'s letter to Nelson Rockefeller
New York, 30 May 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 30 May 1957
New York, 17 July 1968 - Internal museum documents Jean Volkmer's letter to Bates Lowry, dated 17 July 1968
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 July 1979 - Press release and communication A communiqué from the Museum of Modern Art, New York, about moving Guernica
New York, 9 September 1981 - Institutional correspondence An internal letter from Richard E. Oldenburg to staff at the Museum of Modern Art, New York