Moura, Enilson Simões de; and Mendonça, Osmar. "Documento de São Bernardo O ABC da Greve." São Bernardo:, 1980.

Moura, Enilson Simões de; and Mendonça, Osmar. "Documento de São Bernardo O ABC da Greve." São Bernardo:, 1980., Box: 22, Folder: 18. 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/374970 Accessed September 26, 2026.