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
12 June-30 August 1974 - Exhibition catalogue Catalogue file of the exhibition Equipo Crónica at the Musée d'Art Moderne de la Ville, Paris