New York, March 11, 1970 - Petition A petition from the Art Workers' Coalition to remove Guernica from the galleries of the museum
São Paulo, 28 December 1953 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Daniel-Henry Kahnweiler
São Paulo, 14 February 1954 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Pablo Picasso, dated 14 February 1954
São Paulo, 4 February 1954 - Institutional correspondence Francisco Matarazzo Sobrinho's letter to Pablo Picasso, dated 4 February 1954
Basque Country, ca. 1975–1980 - Photograph Mural with the abbreviation of the Communist Movement of the Basque Country (MCE)
Biscay, 1980 - Photograph Mural of the 60th anniversary of the PCE (the Communist Party of the Basque Country)