1939 - Institutional correspondence Correspondence between the Spanish Refugee Relief Campaign and Alfred H. Barr Jr.
New York, 5 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Alfred H. Barr Jr., dated 5 June 1939
Chicago, 12 October 1939 - Institutional correspondence Isabel Jarvis's letter to the Museum of Modern Art, New York
New York, 24 September 1957 - Institutional correspondence Virginia Pearson's letter to Alfred H. Barr Jr.
New York, 5 November 1957 - Institutional correspondence Virginia Pearson's letter to Katharine Kuh, dated 5 November 1957