A Classe Operária no. 110, 113-114, (1976 September-1977 April).

A Classe Operária no. 110, 113-114, (1976 September-1977 April)., Box: 9, Folder: 19. 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/372891 Accessed September 26, 2026.