New York, 25 May 1939 - Institutional correspondence Sidney Janis's letter to the Motion Pictures Artists' Committee
New York, 10 June 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 10 June 1939
Philadelphia, 18 September 1957 - Institutional correspondence Henry Clifford's letter to Pablo Picasso
New York, 3 December 1957 - Internal museum documents A letter from Dorothy C. Miller to Monroe Wheeler
New York, 6 December 1957 - Institutional correspondence Monroe Wheeler's letter to Dorothy Miller and Alfred H. Barr Jr.
10 March 1957 - Internal museum documents A provisional list of Pablo Picasso works on loan at the Museum of Modern Art, New York
Philadelphia, 1958 - Exhibition catalogue Catalogue for the exhibition Picasso: 75th Anniversary at the Philadelphia Museum of Art
New York, 5 June 1939 - Institutional correspondence Evelyn Ahrend's telegram to Marcelene Peterson, dated 5 June 1939
New York, 27 June 1939 - Institutional correspondence Telegrama de Evelyn Ahrend a Marcelene Peterson, dated 27 June 1939
New York, 10 July 1939 - Institutional correspondence Evelyn Ahrend's letter to Marcelene Peterson, dated 10 July 1939
Hollywood, 18 July 1939 - Institutional correspondence A telegram from the Motion Pictures Artists' Committee to Evelyn Ahrend
New York, 9 October 1939 - Institutional correspondence Evelyn Ahrend's letter to Martin North, dated 9 October 1939
Hollywood, 21 October 1939 - Institutional correspondence H. Heyman's and G. E. Scheyer's letter to Sidney Janis
New York, 1 November 1939 - Institutional correspondence Herman F. Reissig's letter to Marcelene Peterson, dated 1 November 1939
New York, 2 November 1939 - Institutional correspondence Herman F. Reissig's letter to Milton Wichner
Hollywood, 10 November 1939 - Institutional correspondence Marcelene Peterson's letter to Herman F. Reissig
New York, 17 November 1939 - Institutional correspondence Herman F. Reissig's letter to Marcelene Peterson, dated 17 November 1939