Paris, 26 November 1948 - Institutional correspondence A letter from Pablo Picasso to Alfred H. Barr Jr., dated 26 November 1948
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
New York, 1939 - Exhibition catalogue Catalogue of the exhibition organised by the American Artists' Congress at the Valentine Gallery, for the benefit of Spanish refugees. Signed by Juan Negrín and Julio Álvarez del Vayo
Mougins, 23 February 1970 - Personal correspondence A donation document for early works conserved by Picasso’s family and signed by the artist