London, 18 April 1980 - Institutional correspondence Nicholas Serota's letter to Roland Penrose, dated 18 April 1980
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
Madrid, 1981 - Photograph Metal structure without either glass or the painting, with restorers, operators from the SIT transport company and the Guardia Civil (Spain's Military Police) in the Casón del Buen Retiro
London, 1939 - Photograph A speech by Clement Attlee, leader of the Labour Party, on the opening of the exhibition Guernica pictures by Picasso at the Whitechapel Art Gallery
Edinburgh, 25 January 1939 - Institutional correspondence Elizabeth Watt's letter to J.N. Duddington, dated 25 January 1939