15. O SR. "Proposta de um plano de preparação da Conf." N.p.:, 1981 October 27.

15. O SR. "Proposta de um plano de preparação da Conf." N.p.:, 1981 October 27., Box: 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/374801 Accessed September 26, 2026.