New York, 10 March 1955 - Institutional correspondence Alfred H. Barr Jr.'s letter to Pablo Picasso, dated 10 March 1955
Paris, 14 June 1955 - Personal correspondence Daniel-Henry Kahnweiler's letter to Pablo Picasso, dated 14 June 1955
Paris, 21 December 1955 - Personal correspondence Daniel-Henry Kahnweiler's letter to Pablo Picasso, dated 21 December 1955
Paris, 14 March 1956 - Personal correspondence Daniel-Henry Kahnweiler's letter to Pablo Picasso, dated 14 March 1956
Paris, June-July 1955 - Institutional correspondence Letters from José Rojas Moreno to Alberto Martín-Artajo Álvarez
Bonn, 16 February 1956 - Institutional correspondence Antonio Mª Aguirre's letter to Alberto Martín-Artajo Álvarez
Paris, 1955 - Photograph Women working in front of Guernica in the exhibition Picasso at the Musée des Arts Décoratifs
New York, 7 October 1953 - Institutional correspondence A letter from Letitia T. Howe to Pablo Picasso