Paris, 28 March 1939 - Personal correspondence Pablo Picasso's letter to Roland Penrose, dated 28 March 1939
Paris, 23 August 1951 - Personal correspondence Pablo Picasso's letter to Roland Penrose, dated 23 August 1951
Paris, 16 December 1952 - Personal correspondence Pablo Picasso's letter to Daniel-Henry Kahnweiler, dated 16 December 1952
Vallauris, 7 June 1953 - Personal correspondence Pablo Picasso's letter to Daniel-Henry Kahnweiler, dated 7 June 1953
Mougins, 23 February 1970 - Personal correspondence A donation document for early works conserved by Picasso’s family and signed by the artist