London, 21 January 1939 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 21 January 1939
Edinburgh, 25 January 1939 - Institutional correspondence Elizabeth Watt's letter to J.N. Duddington, dated 25 January 1939
Edinburgh, 7 April 1939 - Institutional correspondence Elizabeth Watt 's letter to J.N. Duddington, dated 7 April 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