Hamburg, 30 March 2015 - Photograph Visitors in front of Guernica Redacted (After Picasso's Guernica, 1937) , by Robert Longo
20 February 1980 - Institutional correspondence A letter from Ricardo de la Cierva Hoces to Adolfo Suárez
Madrid, 28 June 1980 - Institutional correspondence Ricardo de la Cierva Hoces' letter to Javier Tusell