19 August 1977 - Internal institutional documents Summary of the meeting between José Mario Armero and Roland Dumas
Madrid, 8 November 1977 - Internal institutional documents A letter from José Mario Armero to Pío Cabanillas, dated 8 November 1977
Madrid, 26 December 1977 - Institutional correspondence José Mario Armero's letter to Javier Gómez Navarro
Madrid, 28 December 1977 - Internal institutional documents A letter from José Mario Armero to Pío Cabanillas, dated 28 December 1977
Madrid, 29 December 1977 - Internal institutional documents A letter from José Mario Armero to Pío Cabanillas, dated 29 December 1977
Madrid, 17 September 1980 - Institutional correspondence A letter from José Mario Armero to Íñigo Cavero
New York, 1957 - Exhibition catalogue Catalogue of the exhibition Picasso: 75th Anniversary Exhibition
New York, 6 July 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 6 July 1939
1939 - Institutional correspondence Correspondence between the Spanish Refugee Relief Campaign and Alfred H. Barr Jr.
1939 - Institutional correspondence Acceptance letters from Alfred H. Barr Jr., Aleksina Matisse, Georgia O'Keefe and Sidney Janis to Caspar Whitney
New York, 27 January 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Meric Callery
New York, 12 September 1939 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 12 September 1939
New York, 15 November 1939 - Institutional correspondence Alfred H. Barr Jr.'s telegram to Pablo Picasso, dated 15 November 1939
New York, 25 September 1944 - Institutional correspondence Alfred H. Barr Jr.'s postcard to Pablo Picasso
New York, 31 October 1944 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso
New York, 15 January 1945 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 15 January 1945
New York, 21 May 1947 - Institutional correspondence Alfred H. Barr Jr.'s letter to Daniel-Henry Kahnweiler, dated 21 May 1947
