New York, 31 August 1981 - Institutional correspondence John Koegel's letter to Richard E. Oldenburg, dated 31 August 1981
New York, 10 September 1981 - Internal museum documents An internal letter from Louis Estrada to Eloise Ricciardelli
New York, 8 September 1981 - Photograph The staff at New York's Museum of Modern Art packing Guernica
Madrid, 1981 - Internal museum documents Record sheet of the entry of Guernica into the Casón del Buen Retiro, Madrid
Madrid, 1981 - Photograph SIT employees finish placing the 'rolling bridge' in the Casón del Buen Retiro
Madrid, 1981 - Photograph SIT operators place the wooden stretcher on the Guernica canvas in the Casón del Buen Retiro
Madrid, 1981 - Photograph The finishing touches to positioning Guernica from the back in the Casón del Buen Retiro