Stockholm, 23 October 1956 - Institutional correspondence Ernesto de Zulueta's letter to Alberto Martín-Artajo Álvarez
Madrid, 17 December 1936 - Institutional correspondence Antonio Rodríguez Morey's, Manuel Azaña's and Jesús Hernández Tomás's letter to Pablo Picasso
Paris, 12 November 1969 - Institutional correspondence A letter from Roland Dumas to William S. Lieberman, dated 12 November 1969
Paris, 12 November 1969 - Institutional correspondence A letter from Roland Dumas to William S. Lieberman, dated 12 November 1969
Paris, 13 November 1979 - Institutional correspondence A letter from Roland Dumas to Rafael Fernández Quintanilla