New York, 25 May 1939 - Institutional correspondence Sidney Janis's letter to the Motion Pictures Artists' Committee
New York, 4 August 1939 - Institutional correspondence Sidney Janis's telegram to the FIne Arts Gallery of San Diego
Paris, 9 June 1953 - Institutional correspondence Maurice Jardot's letter to Francisco Matarazzo Sobrinho
23 February 1954 - Institutional correspondence Maurice Jardot's letter to Pablo Picasso, dated 23 February 1954
2 December 1938 - Institutional correspondence The National Committee for Spanish Aid's letter to Pablo Picasso
New York, 15 May 1939 - Institutional correspondence A letter from Sidney Janis to Charles Goodspeed, dated 15 May 1939
New York, 15 May 1939 - Institutional correspondence Sidney Janis's letter to Charles Goodspeed, dated 15 May 1939
Washington, D. C., 1 June 1939 - Institutional correspondence Sidney Janis's letter to Duncan Phillips
1939 - Institutional correspondence Acceptance letters from Alfred H. Barr Jr., Aleksina Matisse, Georgia O'Keefe and Sidney Janis to Caspar Whitney
20 September 1954 - Institutional correspondence Maurice Jardot's letter to Jaime Sabartés, dated 20 September 1953