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
A series of portraits, works and photographic objects in Picasso's studio, 1937 - Photograph Series of portraits, artworks and objects at Picasso's studio
A series of portraits, works and photographic objects in Picasso's studio, 1937 - Photograph Pablo Picasso in front of Guernica
Paris, 1937 - Photograph Picasso photographed by Dora Maar working on Guernica in his studio on rue des Grands-Agustin
London, 30 September 1938 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 30 September 1938