10 January 1998 - Newspapers Experts from major museums around the world analyse the conservation of "Guernica"
Paris, 1937 - Photograph Picasso photographed by Dora Maar working on Guernica in his studio on rue des Grands-Agustin
Oslo, 1938 - Exhibition catalogue Catalogue of the exhibition Henri Matisse, Picasso, G. Braque, Laurens at Kunstnernes Hus, Oslo
November 1939 - Magazines Picasso in Retrospect: 1939–1900. The Comprehensive Exhibition in New York and Chicago
New York, 24 October 1945 - Institutional correspondence A letter from Curt Valentin to Roland Penrose
Paris, 1937 - Photograph Picasso photographed by Dora Maar working on Guernica in his studio on rue des Grands-Agustin
Paris, 1937 - Photograph Picasso photographed by Dora Maar sitting on the floor of his studio as he works on Guernica
Paris, 1937 - Photograph Pablo Picasso, André Breton and Jacqueline Lamba photographed by Dora Maar in front of Guernica in Picasso's studio on rue des Grands-Agustins
21 May 1976 - Personal correspondence Letter from Tomàs Llorens to Claude Picasso within the context of the Venice Biennale