1. "O que é o Instituto Astrojildo Pereira." Instituto Astrojildo Pereira [N.p.]:, undated

1. "O que é o Instituto Astrojildo Pereira." Instituto Astrojildo Pereira [N.p.]:, undated, 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/372116 Accessed September 26, 2026.