Madrid, 12 February 1976 - Institutional correspondence A letter from the director-general of Cultural Heritage
Madrid, 16 February 1976 - Institutional correspondence A report from the National Commission of Artistic Heritage on the documents needed to recover Guernica.
16 February 1976 - Institutional correspondence Report for the National Commission of Artistic Heritage
21 May 1976 - Personal correspondence Letter from Tomàs Llorens to Claude Picasso within the context of the Venice Biennale