3. Congresso Nacional de Profissionais, Aguas de Lindóia. "Resumo da palestra-Professor Cristovam Buarque." N.p.:, 1993 September.

3. Congresso Nacional de Profissionais, Aguas de Lindóia. "Resumo da palestra-Professor Cristovam Buarque." N.p.:, 1993 September., Box: 17. 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/374027 Accessed September 27, 2026.