Rome, 18 February 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 18 February 1954
Rome, 24 March 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 24 March 1954
Rome, 24 August 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 24 August 1954
Rome, 15 September 1954 - Institutional correspondence Eugenio Reale's letter Pablo Picasso, dated 15 September 1954
Madrid, 12 December 1975 - Institutional correspondence A letter from José Mario Armero to M. Rosenthal
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, 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