Madrid, 17 December 1936 - Institutional correspondence Antonio Rodríguez Morey's, Manuel Azaña's and Jesús Hernández Tomás's letter to Pablo Picasso
Madrid, 26 September 1936 - Internal institutional documents Certificate of appointment for Pablo Picasso as director of the Museo Nacional del Prado
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
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the University of Minnesota Gallery, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York