12. CC. do PRC. "Circular aos Crs. (Congresso)." N.p.:, undated

12. CC. do PRC. "Circular aos Crs. (Congresso)." N.p.:, undated, Box: 13. 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/373413 Accessed September 27, 2026.