1945 - Internal museum documents Alfred H. Barr Jr.'s notes for the screenplay of the film Guernica by Robert Flaherty
Old Westbury, New York, 4 May 1977 - Institutional correspondence Emilia Doyaga's letter to Nelson Rockefeller
New York, 31 May 1977 - Institutional correspondence William S. Lieberman's letter to Richard Oldenburg, dated 31 May 1977
New York, 1 June 1977 - Institutional correspondence William S. Lieberman's letter to Richard Oldenburg, dated 1 June 1977
New York, 7 June 1977 - Institutional correspondence William S. Lieberman's letter to Richard Oldenburg, dated 7 June 1977
New York, 28 April 1977 - Internal institutional documents Conversation between José Mario Armero and William Rubin
New York, 15 January 1945 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 15 January 1945
New York, 25 October 1945 - Personal correspondence Alfred H. Barr Jr.'s letter to John E. (Dick) Abbott