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3. CC da OCDP. "Por uma frente dos comunistas revolucionários." N.p.:, March 1983., 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/372399 Accessed September 26, 2026.