This letter for the American Consulate in Porto Alegre discuss what would be the most polite way to refuse a request from Brazilian State Deputies who wish to visit the United States.:
Citation
Duffield, T. J.,
"Coordination of Refusal for Brazilian State Deputies' Trip to the United States"
(1965).
Opening the Archives: Documenting U.S.-Brazil Relations, 1960s-80s.
Brown Digital Repository. Brown University Library.
https://repository.library.brown.edu/studio/item/bdr:t83mj5ug/
Relations
Has Parts:
Coordination of Refusal for Brazilian State Deputies' Trip to the United States
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 …