Madrid, 6 December 1968 - Institutional correspondence Luis Carrero Blanco's letter to Florentino Pérez Embid
1955 - Internal institutional documents A list of works for the Picasso exhibition, which will travel from Paris to Munich
15 June 1956 - Invoices An invoice from R. Lerondelle for the delivery of the works arriving from New York.
31 March 1965 - Newspapers New Spanish Art to Come to the Fair; Old Masters on First Visit to US Join Modern Art