San Francisco, 12 May 1939 - Institutional correspondence Grace L. McCann Morley's telegram to Sidney Janis
Hollywood, 20 July 1939 - Institutional correspondence Marcelene Peterson's letter to Evelyn Ahrend, dated 20 July 1939
Hollywood, 2 September 1939 - Institutional correspondence Marcelene Peterson's letter to Evelyn Ahrend, dated 2 September 1939
San Francisco, 12 September 1939 - Institutional correspondence Grace L. McCann Morley's letter to Evelyn Ahrend
Hollywood, 10 November 1939 - Institutional correspondence Marcelene Peterson's letter to Herman F. Reissig