1. A Secretaria Sindical do CC. Anteprojeto de linha sindical. N.p.:, 1988 April.

1. A Secretaria Sindical do CC. Anteprojeto de linha sindical. N.p.:, 1988 April., Box: 11, Folder: 21. 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/373200 Accessed September 26, 2026.