Formar a vanguarda revolucionária [Coleção Documentos Básicos no. 1]. N.p.:, undated

Formar a vanguarda revolucionária [Coleção Documentos Básicos no. 1]. N.p.:, undated, Box: 7, Folder: 4. 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/372421 Accessed September 26, 2026.