Rome, 18 February 1954 - Institutional correspondence Eugenio Reale's letter to Pablo Picasso, dated 18 February 1954
Milan, 1953 - Internal museum documents An expense inventory for the Pablo Picasso exhibition at the Palazzo Reale
April, 1987 - Photograph Graffiti in Biscay with the message Euskadi libre ("Free the Basque Country")
Old Westbury, New York, 4 May 1977 - Institutional correspondence Emilia Doyaga's letter to Nelson Rockefeller
9 June 1988 - Newspapers Spain's Ministry of Culture rules out the transfer of Picasso's Guernica to Biscay