26 August 1972 - Newspapers Mexico prepares an extraordinary reception of P. Picasso's famous mural Guernica
25 September and 11 October 1972 - Personal correspondence A letter from Catherine Freedberg to Roland Penrose, including the reply
Madrid, 8 July 1972 - Institutional correspondence A letter from Xavier de Salas to Florentino Pérez Embid
New York, 29 March 1972 - Photograph View of the permanent collection from New York's Museum of Modern Art