Internal institutional documents A communiqué from the Spanish government regarding the delivery of Guernica
Madrid, 4 February 1988 - Internal institutional documents Reply from Spain's Ministry of Culture regarding the questions put forward by Andrés Ollero in the Congress of Deputies
New York, 31 December 1959 - Institutional correspondence Alfred H. Barr Jr.'s letter Pablo Picasso, dated 31 December 1959
Paris, 17 November 1959 - Institutional correspondence A letter from the Groupe d'étudiants d'espagnol to Pablo Picasso