1. II Encontro Estadual de Sindicalistas do PT. 8 August 1987. São Bernardo do Campo:, 1988 June.

1. II Encontro Estadual de Sindicalistas do PT. 8 August 1987. São Bernardo do Campo:, 1988 June., Box: 6. 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/372275 Accessed September 27, 2026.