4. Laredo, Pc. David, Vigário. "Liturgia da Semana Santa." N.p.:, April 1985.

4. Laredo, Pc. David, Vigário. "Liturgia da Semana Santa." N.p.:, April 1985., Box: 21. 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/374848 Accessed September 26, 2026.