4. "Vicente ao SR (Aprovado pelo CRA)." N.p.:, 1983 July.

4. "Vicente ao SR (Aprovado pelo CRA)." N.p.:, 1983 July., Box: 3. 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/371543 Accessed September 26, 2026.