9. CE do CC. "Construir a ?CUT PELA BASE?. (Circular aos CRs e COs.)" N.p.:, March 1987.

9. CE do CC. "Construir a ?CUT PELA BASE?. (Circular aos CRs e COs.)" N.p.:, March 1987., Box: 5. 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/372189 Accessed September 26, 2026.