Paris, 3 October 1948 - Institutional correspondence Pablo Picasso's letter to Alfred H. Barr Jr., dated 3 October 1948
Paris, 26 November 1948 - Institutional correspondence A letter from Pablo Picasso to Alfred H. Barr Jr., dated 26 November 1948
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