Paris, 9 June 1953 - Institutional correspondence Maurice Jardot's letter to Francisco Matarazzo Sobrinho
Madrid, 1981 - Photograph Placing the reproduction of Guernica for the test installation in the Casón del Buen Retiro
23 February 1954 - Institutional correspondence Maurice Jardot's letter to Pablo Picasso, dated 23 February 1954
20 September 1954 - Institutional correspondence Maurice Jardot's letter to Jaime Sabartés, dated 20 September 1953