São Paulo, 4 February 1954 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Pablo Picasso, dated 4 February 1954
Paris, 15 November 1955 - Institutional correspondence A letter from the general secretary of the Musée des Arts Décoratifs to the Société de la Propriété Artistique et des Dessins et Modèles (S.P.A.D.E.M.)
1955 - Press release and communication Thirty individual collectors and eight national museums in Europe and the United States contribute paintings for the first Picasso retrospective in Paris since the war
23 May 1955 - Press release and communication A press release on the opening of the exhibition Picasso at the Musée des Arts Décoratifs, Paris