21. [Flyers announcing the publishing of Fazendo O Amanhã sent to Sindicato dos Petroquímicos. Sealed with address label.]

21. [Flyers announcing the publishing of Fazendo O Amanhã sent to Sindicato dos Petroquímicos. Sealed with address label.], 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/371784 Accessed September 26, 2026.