Charlotte, 27 January 1967 - Institutional correspondence Constance H. Nicholson's letter to Carol K. Uht
San Francisco, 12 May 1939 - Institutional correspondence Grace L. McCann Morley's telegram to Sidney Janis
San Francisco, 1 August 1939 - Institutional correspondence Grace L. McCann Morley's letter to Blanche Mahler
New York, 21 August 1939 - Institutional correspondence Evelyn Ahrend's letter to Grace L. McCann Morley, dated 21 August 1939
San Francisco, 12 September 1939 - Institutional correspondence Grace L. McCann Morley's letter to Evelyn Ahrend