Madrid, 12 Julio 1971 - Institutional correspondence A letter from Juan Antonio Cánovas del Castillo to Florentino Pérez-Embid
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by Hamline University, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York
Department of the Army, Washington D.C., March 14, 1970 - Government report Report of the Department of the Army Review of the Preliminary Investigations into the My Lai Incident