Mexico, 21 December 1939 - Personal correspondence Juan Larrea's letter to Pablo Picasso, dated 21 December 1939
New York, 15 December 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 December 1939
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.
1939 - Institutional correspondence Acceptance letters from Alfred H. Barr Jr., Aleksina Matisse, Georgia O'Keefe and Sidney Janis to Caspar Whitney
New York, 27 January 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Meric Callery
New York, 12 September 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 12 September 1939
Mexico, 4 October 1939 - Personal correspondence Juan Larrea's letter to Pablo Picasso, dated 4 October 1939
New York, 15 November 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 November 1939