Madrid, 17 December 1936 - Institutional correspondence Antonio Rodríguez Morey's, Manuel Azaña's and Jesús Hernández Tomás's letter to Pablo Picasso
May - July 1992 - Institutional correspondence Loaned works at the Museo Nacional Centro de Arte Reina Sofía in conjunction with the rearrangement of holdings between the Reina Sofía and Museo Nacional del Prado
Madrid, 8 February 1995 - Internal institutional documents A loan approval form for the exhibition Picasso: The Love and the Anguish. The road to Guernica
Madrid, 25 September 1936 - Institutional correspondence Letter from Jesús Hernández Tomás to Pablo Picasso
Madrid, 26 September 1936 - Internal institutional documents Certificate of appointment for Pablo Picasso as director of the Museo Nacional del Prado
Cambridge, Massachusetts. 29 January 1940 - Institutional correspondence A letter from Paul Sachs to Alfred H. Barr Jr.