Madrid, 17 February 1986 - Institutional correspondence Letter from Justino Azcárate to Carmen Crespo
August-September 1990 - Institutional correspondence Correspondence on an exhibition project in Hiroshima
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