Mougins, 14 November 1970 - Institutional correspondence Pablo Picasso's letter to the New York's Museum of Modern Art
Paris, 16 December 1952 - Personal correspondence Pablo Picasso's letter to Daniel-Henry Kahnweiler, dated 16 December 1952
Mougins, 23 February 1970 - Personal correspondence A donation document for early works conserved by Picasso’s family and signed by the artist