New York, 15 December 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 December 1939
1943 - Internal museum documents Itinerary of the touring exhibition Picasso: Forty Years of His Art and its adaptations from 1940 to 1943
New York, 20 July 1979 - Press release and communication A communiqué from the Museum of Modern Art, New York, about moving Guernica
New York, 1940–1941 - Internal museum documents Installation list and checklist for Picasso: Forty Years of His Art (second edition)
New York, 8 April 1981 - Press release and communication A press release from New York's Museum of Modern Art concerning a Spanish delegation's request to send Guernica to Spain
New York, 16 October 1981 - Institutional correspondence John Koegel's letter to Javier Tusell, dated 16 October 1981
New York, 16 October 1981 - Institutional correspondence John Koegel's letter to Javier Tusell, dated 16 October 1981
New York, 16 October 1981 - Institutional correspondence John Koegel's letter to Javier Tusell, dated 16 October 1981
New York, 6 July 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 6 July 1939
1939 - Institutional correspondence Correspondence between the Spanish Refugee Relief Campaign and Alfred H. Barr Jr.
New York, 27 January 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Meric Callery
New York, 15 November 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 November 1939
6 November 1939 - Press release and communication Final paintings arrive from Europe in time for big Picasso exhibition at Museum of Modern Art
New York, 1937 - Photograph View of the work Guernica shown at the exhibition Picasso: Forty Years of His Artat the Museum of Modern Art, New York
New York, 1940–1941 - Internal museum documents Packing instructions for the exhibition Picasso: Forty Years of His Art (second edition)
1942–1943 - Internal museum documents Dates and centres for the travelling exhibition Picasso: Forty Years of His Art
New York, 5 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Alfred H. Barr Jr., dated 5 June 1939