London, 18 April 1980 - Institutional correspondence Nicholas Serota's letter to Roland Penrose, dated 18 April 1980
London, 1 May 1980 - Institutional correspondence Nicholas Serota's letter to Roland Penrose, dated 1 May 1980
12 June-30 August 1974 - Exhibition catalogue Catalogue file of the exhibition Equipo Crónica at the Musée d'Art Moderne de la Ville, Paris