Madrid, 8 February 1982 - Institutional correspondence A letter from Álvaro Martínez Novillo to Pedro J. Ramírez
1982 - Conferences and articles New Guernica: offered to the people of the United States of America through their embassy in Spain
Madrid, January 1982 - Leaflet Didactic leaflet Sección de Arte Siglo XIX, Legado Picasso, Guernica, made by Gabinete Didáctico
Madrid, May to June 1982 - Conferences and articles Lectures on the 19th century and Guernica given as part of the Missions of Art programme held at the Museo Nacional del Prado from May to June 1982
Farmington, Connecticut, 20 September 1946 - Personal correspondence James Thrall Soby's letter to William Lieberman
Alfred H. Barr Jr. (ed.), exh. cat., New York: MoMA, 1946 - Catalogue Picasso: Fifty Years of His Art