2. "Campanha do livro usado-Lula Presidente: Salvador e Interior." N.p.:, 1989 March.

2. "Campanha do livro usado-Lula Presidente: Salvador e Interior." N.p.:, 1989 March., Box: 12. 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/373277 Accessed September 26, 2026.