22 November 1980 - Institutional correspondence Rafael Fernández Quintanilla's letter to Javier Tusell, dated 22 November 1980
Publication - Exhibition catalogue Spain. Twentieth Century. Works from the Museo Nacional Reina Sofía
<em>The New York Times</em>, New York, November 11, 1990, 1, 39 - Article “When Picasso Spooked the FBI”