1. Bruno, R.S. "O ?marxismo possivel? de Mao Tsé-Tung." N.p.:, 1981 February.

1. Bruno, R.S. "O ?marxismo possivel? de Mao Tsé-Tung." N.p.:, 1981 February., Box: 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/374425 Accessed September 26, 2026.