New York, 24 September 1954 - Institutional correspondence Alfred H. Barr Jr.'s letter to Roland Penrose, dated 24 September 1954
New York, 16 January 1957 - Institutional correspondence Alfred H. Barr Jr.'s letter to Roland Penrose, dated 16 January 1957
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
31 March 1965 - Newspapers New Spanish Art to Come to the Fair; Old Masters on First Visit to US Join Modern Art
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, 9 July 1938 - Personal correspondence E. L. T. Mesens' letter to Roland Penrose, dated 9 July 1938
London, 15 September 1938 - Personal correspondence E. L. T. Mesens' letter to Roland Penrose, dated 15 September 1938
London, 1939 - Photograph A speech by Clement Attlee, leader of the Labour Party, on the opening of the exhibition Guernica pictures by Picasso at the Whitechapel Art Gallery
London, 1939 - Photograph A speech by Clement Attlee, leader of the Labour Party, on the opening of the exhibition Guernica pictures by Picasso at the Whitechapel Art Gallery
New York, 24 October 1945 - Institutional correspondence A letter from Curt Valentin to Roland Penrose
Paris, 23 August 1951 - Personal correspondence Pablo Picasso's letter to Roland Penrose, dated 23 August 1951
London, 20 August 1938 - Personal correspondence E. L. T. Mesens' letter to Roland Penrose, dated 20 August 1938
London, 31 August 1938 - Personal correspondence E. L. T. Mesens' letter to Roland Penrose, dated 31 August 1938