24. CRP do Pará. "Comunicado do CRP." N.p.:, 1981 March 27.

24. CRP do Pará. "Comunicado do CRP." N.p.:, 1981 March 27., Box: 14. 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/373508 Accessed September 27, 2026.