8 July 1937 - Institutional correspondence Paul P. Rogers' letter to the North American Committee to Aid Spanish Democracy
19 January 1940 - Internal museum documents Circulating exhibition contract for Picasso: Forty Years of His Art, New York, and the City Art Museum of St. Louis, Missouri
Paris, 6 September 1939 - Institutional correspondence Christian Zervos's letter to Alfred H. Barr Jr., dated 6 September 1939
Paris, 27 December 1939 - Institutional correspondence Christian Zervos's letter to Alfred H. Barr Jr., dated 27 December 1939
Paris, 26 October 1939 - Institutional correspondence Christian Zervos's letter to Alfred H. Barr Jr., dated 26 October 1939