28 February 1974 - Photograph The cleaning of Guernica by two restorers after Tony Shafrazi's graffiti
Homenaje a Picasso... Mucha luz se ha perdido - Lithograph Omaggio a Picasso... Molta luce è andata perduta
Madrid, 24 September 1981 - Conservation documents A work plan to protect and display Guernica and its sketches in the Casón del Buen Retiro, written by the company Cubiertas and Mzov