Madrid, 22 April 1976 - Internal institutional documents A report by Joaquín de la Puente on the ownership of Guernica and the negotiation possibilities with the Museum of Modern Art, New York
New York, 28 April 1977 - Internal institutional documents Conversation between José Mario Armero and William Rubin
Madrid, 2 September - Internal institutional documents A letter on Guernica by José Mario Armero for the Culture minister, Pío Cabanillas
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, 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
ca. 1977 - Internal institutional documents A communiqué from the Spanish government on its stance over the reclaiming of Guernica
5 July 1978 - Internal institutional documents A report on the transfer of Guernica by Spain's Ministry of Culture
1975 - Internal institutional documents Extract from the index of the catalogue for the exhibition Vanguardia artística y realidad social en el estado español: 1963/1976
Madrid, September 1980 - Internal institutional documents A report on the requirements for the transfer of Guernica from New York to Spain
New York, 20 March 1980 - Internal institutional documents An agreement to deliver Guernica to the Spanish government
Barcelona, 14 September 1979 - Internal institutional documents Transcript of the agreement approved by the Municipal Standing Committee
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, 26 September 1936 - Internal institutional documents Certificate of appointment for Pablo Picasso as director of the Museo Nacional del Prado
London, 1938 - Internal institutional documents List of guarantors of Guernica at the White Chapel Art Gallery
2 May 1939 - Internal institutional documents A draft text for the invitation to the exhibition Picasso's Guernica at the Valentine Gallery, New York
1939 - Internal institutional documents A list of possible donors to the Spanish Refugee Relief Campaign
Paris, 31 May 1937 - Internal institutional documents Summary of figures submitted as payment for propaganda
1939 - Internal institutional documents A list of museums and directors to which the Spanish Refugee Relief Campaign offers participation in the tour of Picasso's Guernica
Paris, 31 May 1937 - Internal institutional documents Figures submitted by the Special Acquisitions Service for Propaganda
1953 - Internal institutional documents Lists from the National Executive Committee and other departments for the Rome and Milan exhibitions
New York, 9 September 1981 - Internal institutional documents An official document of the handing-over of Guernica to the Spanish Government by MoMA
New York, 8 September 1981 - Internal institutional documents A confidential and private document signed by Álvaro Martínez-Novillo and José María Cabrera in New York
New York, 23 October 1969 - Institutional correspondence Elizabeth Shaw's letter to William S. Lieberman
New York, 10 August 1981 - Institutional correspondence A letter from Eloise Ricciardelli to Sharon Zane