Madrid, 10 September 1981 - Internal museum documents Certificate for the reception of Guernica, and its stretcher and related works
10 September 1981 - Internal museum documents Registration sheet for the Picasso works deposited at the Casón, including Guernica
September to October 1981 - Institutional correspondence Ten letters, telegrams, and some poems sent to congratulate the arrival of Picasso's Guernica at the Museo del Prado
Madrid, 14 September 1981 - Institutional correspondence Official notice from the Management Board of Fine Arts, Archives and Museums to José Manuel Pita Andrade