1. Sousa, Fernando Ponte de. "Esboço crítico à razão dogmática na ciência da história." Transcribed fromRevista Unimar 10, (1988 October).

1. Sousa, Fernando Ponte de. "Esboço crítico à razão dogmática na ciência da história." Transcribed fromRevista Unimar 10, (1988 October)., Box: 11, Folder: 22. 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/373201 Accessed September 26, 2026.