Internal institutional documents A communiqué from the Spanish government regarding the delivery of Guernica
Old Westbury, New York, 4 May 1977 - Institutional correspondence Emilia Doyaga's letter to Nelson Rockefeller
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