20. [Another copy of no. 14, in letter size.]

20. [Another copy of no. 14, in letter size.], Box: 4. 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/371783 Accessed September 26, 2026.