22 November 1980 - Institutional correspondence Rafael Fernández Quintanilla's letter to Javier Tusell, dated 22 November 1980
Exhibition, Museo Nacional Centro de Arte Reina Sofía, Madrid, January 21 – May 4, 2015 - Exhibition Daniel G. Andújar, Operating System
Jeanne Siegel (ed.), <em>Artwords: Discourse on the ‘60s and ‘70s</em>, Ann Arbor: UMI Research Press, 1985, 101-119 - Essay “How Effective Is Social Protest Art? (Vietnam)”