8. "Informe: contato com A.P." [Report on 4 different meetings]. N.p.:, 1980-1981 January.

8. "Informe: contato com A.P." [Report on 4 different meetings]. N.p.:, 1980-1981 January., 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/371584 Accessed September 26, 2026.