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1.Boletim Informativo no. 2 [SPDDH?], (1983 April)., Box: 10, Folder: 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/373083 Accessed September 26, 2026.