2. Comitê Regional (Estrutura 1) de São Paulo do PC do B. "Convocatória da Conf. Reg. de SP-E-1 do PC do B." São Paulo:, 1981 February 4.

2. Comitê Regional (Estrutura 1) de São Paulo do PC do B. "Convocatória da Conf. Reg. de SP-E-1 do PC do B." São Paulo:, 1981 February 4., Box: 26. 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/375858 Accessed September 26, 2026.