4. [Speeches by the Ministers of the Army, Navy and Air Force on the 19th anniversary of the Revolution of March 31.] "Aeronáutica conclama," "Exército faz advertência," "Marinha vê progresso."A Tarde, (1983 March 30).

4. [Speeches by the Ministers of the Army, Navy and Air Force on the 19th anniversary of the Revolution of March 31.] "Aeronáutica conclama," "Exército faz advertência," "Marinha vê progresso."A Tarde, (1983 March 30)., Box: 18. 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/374281 Accessed September 26, 2026.