London, 6 November 1938 - Personal correspondence Roland Penrose's letter to Pablo Picasso, dated 6 November 1938
Madrid, 12 Julio 1971 - Institutional correspondence A letter from Juan Antonio Cánovas del Castillo to Florentino Pérez-Embid
Guernica, December 1971 - Institutional correspondence An appeal to participate in a Pablo Picasso homage in Gernika
Paris, 30 October 1971 - Institutional correspondence A letter from Luis López Ballesteros to Alfredo Sánchez Bella
Gothenburg, 26 January 1938 - Institutional correspondence Tor Bjurstöm's letter to Sven Strindberg, dated 26 January 1938
Barcelona, 2 December 1938 - Institutional correspondence Letter from Manuel Sánchez Arcas to José Prat