7. "A luta de classes, hoje."Folha de S. Paulo, undated

7. "A luta de classes, hoje."Folha de S. Paulo, undated, Box: 18. 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/374201 Accessed September 27, 2026.