Brussels, 14 May 1956 - Institutional correspondence A letter from the Spanish ambassador in Belgium to Alberto Martín-Artajo Álvarez
23 August 1939 - Internal museum documents Certificate of delivery for Guernica and other materials sent from the Spanish Refugee Relief Campaign to the San Francisco Museum of Art
Cover of <em>Life</em>, New York, May 15, 1970 - Magazine “Tragedy at Kent. Cambodia and Dissent: The Crisis of Presidential Leadership”