11. "Joaquinzão, Pacto só com a democracia, Sindicalista defende diálogo com Tancredo." [Interview with Joaquim dos Santos Andrade, president of the Sindicato dos Metalúrgicos de São Paulo.]Istoé, (1984 November 14).

11. "Joaquinzão, Pacto só com a democracia, Sindicalista defende diálogo com Tancredo." [Interview with Joaquim dos Santos Andrade, president of the Sindicato dos Metalúrgicos de São Paulo.]Istoé, (1984 November 14)., Box: 5. Eduardo Sarno Collection of Leftist Movements in Brazil, 2002-03. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/372133 Accessed September 26, 2026.