Madrid, 21 February 1969 - Institutional correspondence Florentino Pérez-Embid's letter to Joaquín de la Fuente
November 23 - 24, 2011 - Conferences and articles Timothy J. Clark. Otra mirada al Guernica (Another look at Guernica)
ca. 1952–1956 - Internal museum documents Publicity report for the exhibition Studies for Guernica by the Berea College Art Department, Kentucky, addressed to the Travelling Exhibitions Department at the Museum of Modern Art, New York