London, 26 March 1939 - Personal correspondence Roland Penrose's Letter to Pablo Picasso, dated 26 March 1939
Paris, 28 March 1939 - Personal correspondence Pablo Picasso's letter to Roland Penrose, dated 28 March 1939
London, 15 April 1939 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 15 April 1939
Philadelphia, 3 May 1939 - Institutional correspondence The Medical Bureau and North American Committee's letter to the Exhibition Committee
New York, 15 May 1939 - Institutional correspondence A letter from Sidney Janis to Charles Goodspeed, dated 15 May 1939
Philadelphia, 10 May 1939 - Institutional correspondence A letter from the Medical Bureau and North American Committee to Evelyn Ahrend
San Francisco, 12 May 1939 - Institutional correspondence Grace L. McCann Morley's telegram to Sidney Janis
Providence, Rhode Island, 12 May 1939 - Institutional correspondence Alexander Dorner's letter to Sidney Janis
New York, 15 May 1939 - Institutional correspondence Sidney Janis's letter to Charles Goodspeed, dated 15 May 1939