3 April 1939 - Minutes Minutes from a meeting of the Executive Committee of the Spanish Intellectual Aid, dated 3 April 1939
24 March 1939 - Minutes Minutes from the meeting of the Executive Committee of the Spanish Intellectual Aid Association, dated 24 March 1939
30 March 1939 - Minutes Minutes from a meeting of the Executive Committee of the Spanish Intellectual Aid Association, dated 30 March 1939
New York, 17 June 1957 - Institutional correspondence John Rockefeller's letter to Alfred H. Barr Jr.