Madrid, 1 September 1977 - Institutional correspondence A letter from Jesús Madalena to José Mario Armero
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
New York, 10 September 1981 - Internal museum documents An internal letter from Louis Estrada to Eloise Ricciardelli