São Paulo, 28 January 1953 - Institutional correspondence A letter from Maria Martins to Francisco Matarazzo Sobrinho
12 June-30 August 1974 - Exhibition catalogue Catalogue file of the exhibition Equipo Crónica at the Musée d'Art Moderne de la Ville, Paris
Barcelona, 4 February 1938 - Institutional correspondence Correspondence regarding the organisation of a Picasso exhibition in the USA