This document contains information on the public opinion of President Costa e Silva's administration in Rio Grande Do Sul.:
Citation
Hewitt, A. C., and Amconsul Porto Alegre,
"Cautious Optimism in Rio Grande do Sul"
(1967).
Opening the Archives: Documenting U.S.-Brazil Relations, 1960s-80s.
Brown Digital Repository. Brown University Library.
https://repository.library.brown.edu/studio/item/bdr:cvdp8u5p/
Opening the Archives is a joint effort by Brown University and the Universidade Estadual de Maringá, Paraná, Brazil to digitize and index 100,000 U.S. State Department documents on Brazil from 1963-73 and make them available to the public on a …