New York, 10 March 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 10 March 1955
New York, 15 December 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 December 1939
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
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 15 June 1953
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, April 14, 1967 - Letter Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 14 April 1967
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Maurice Jardot, dated 15 June 1953
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 15 June 1953
New York, 15 June 1953 - Institutional correspondence Alfred H. Barr Jr.'s letter to Paulo E. de Berrêdo Carneiro
New York, 20 May 1954 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 20 May 1954
New York, 24 September 1954 - Institutional correspondence Alfred H. Barr Jr.'s letter to Roland Penrose, dated 24 September 1954
New York, 16 December 1954 - Institutional correspondence A letter from Alfred H. Barr Jr. to William A. M. Burden, René d'Harnoncourt and James Thrall Soby
New York, 8 February 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to François Carnot
New York, 4 March 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to Maurice Jardot, dated 4 March 1955
New York, 10 March 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 10 March 1955
1955 - Press release and communication Thirty individual collectors and eight national museums in Europe and the United States contribute paintings for the first Picasso retrospective in Paris since the war
23 May 1955 - Press release and communication A press release on the opening of the exhibition Picasso at the Musée des Arts Décoratifs, Paris
New York, 10 March 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to Dorothy Miller and Dorothy Dudley