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
Madrid, 10 September 1981 - Internal museum documents Certificate for the reception of Guernica, and its stretcher and related works
<em>Diacritics</em>, Baltimore: The Johns Hopkins University Press, vol. 25, no. 2 (summer, 1995): 9–63 - Essay “Archive Fever: A Freudian Impression”