London, 6 November 1938 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 6 November 1938
Paris, 1 March 1958 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 1 March 1958
Paris, 25 August 1958 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 25 August 1958
London, 20 February 1964 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 20 February 1964 (2)
20 February 1964 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 20 February 1964
25 September and 11 October 1972 - Personal correspondence A letter from Catherine Freedberg to Roland Penrose, including the reply
14 June 1973 - Personal correspondence Roland Penrose's letter to Alfred H. Barr and Margaret Scolari Barr
London, 30 September 1938 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 30 September 1938
London, 7 October 1938 - Personal correspondence Roland Penrose's postcard to Pablo Picasso and Dora Maar
London, 21 January 1939 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 21 January 1939
London, 26 March 1939 - Personal correspondence Roland Penrose's Letter to Pablo Picasso, dated 26 March 1939
London, 15 April 1939 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 15 April 1939
Communiqué, Seville, February 1, 2006 - Release ¡otra BIACS ¿será posible?! (another BIACS! will be possible?) and Manifesto
Communiqués, Seville, May 30 and June 30, 2005 - Release ¡otra ¿BIACS? es posible! (another BIACS? is possible!)
Seville, June 23, 2006 - Release Communiqué by the Plataforma de Reflexión sobre Políticas Culturales (Platform of Reflection on Cultural Policies, PRPC)
Seville, July 19, 2006 - Release Communiqué by the Plataforma de Reflexión de Políticas Culturales (Platform of Reflection on Cultural Policies, PRPC)
Communiqué, Seville, October 23, 2006 - Release ¿otra BIACS…? ¡SERÁ POSIBLE! (another BIACS…? WILL BE POSSIBLE!)