Chicago, 14 September 1939 - Institutional correspondence Alice Roullier's letter to Evelyn Ahrend, dated 14 September 1939
Chicago, 12 October 1939 - Institutional correspondence Alice Roullier's letter to Evelyn Ahrend, dated 12 October 1939
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