New York, 30 May 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 30 May 1957
New York, 16 February 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 16 February 1957
Paris, 17 April 1957 - Institutional correspondence A telegram from Daniel-Henry Kahnweiler to Alfred H. Barr Jr.
New York, 2 June 1957 - Press release and communication Picasso: 75th Anniversary. Record breaking crowds
Paris, 27 February 1958 - Institutional correspondence Daniel-Henry Kahnweiler's letter to Alfred H. Barr Jr., dated 27 February 1958
New York, 22 September 1960 - Management of reproduction rights Alfred H. Barr Jr.'s letter Pearl Moeller
New York, 27 May 1964 - Photograph View of the exhibition Painting and Sculpture from the Museum Collection
Photograph View of the exhibition Painting and Sculpture from the Museum Collection, from the series Art in a Changing World: 1884–1964
New York, 14 April 1967 - Institutional correspondence 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
Paris, 12 November 1969 - Institutional correspondence A letter from Roland Dumas to William S. Lieberman, dated 12 November 1969