Paris, 1937 - Photograph Views of the Spanish Pavilion at the Paris International Exhibition of Art and Technology in Modern Life
New York, 28 February 1974 - Institutional correspondence A letter from the Guerrilla Art Action Group to Richard Oldenburg
New York, 5 March 1974 - Institutional correspondence Letter-poem by the Guerrilla Art Action Group send to Franco
Madrid, 17 February 1986 - Institutional correspondence Letter from Justino Azcárate to Carmen Crespo