found:BGN gaz., Brazil, 1963(Rio Grande do Sul, Estado de: ADMD, 30°00ʹS 54°00ʹW; also the variant name of a ppl in same state)
found:Col. Lipp. gaz., 1962(Rio Grande do Sul, Brazil; state; formerly called São Pedro do Rio Grande do Sul)
found:Relatorios provinciaes, 1850-1859:p. 1, etc. (Provincia do Rio Grande de S. Pedro, Provincia de S. Pedro do Rio Grande do Sul)
found:Enc. univ. ilus.(Rio Grande do Sul; became a province in 1821, was converted to a state in 1889)
found:Silva, L.M. de L. e. Annaes do Exercito Brazileiro sobre a guerra com a Republica das Provincias Unidas do Rio da Prata e campanhas dos annos de 1825 a 1828 na Provincia de São Pedro do Rio Grande até a declaração da paz, 1926.
found:Dreys, N. Notícia descritiva da Província do Rio Grande de S. Pedro do Sul, 1990.
found:Encic. Delta univ.(Rio Grande do Sul, state in Brazil; originated in the settlement called Rio Grande de São Pedro, est. in 1737, which became the modern city of Rio Grande; by 1740 the surrounding region, called by the same name, became a military command subordinate to Rio de Janeiro; in 1897 Rio Grande de São Pedro was elevated to the status of captaincy-general and its name was changed to São Pedro do Rio Grande do Sul; in 1821 it became a province under the name Rio Grande do Sul)
found:Regiones naturales del Uruguay y Río Grande del Sur, 1952.
found:GEOnet, Sept. 23, 2009(Rio Grande do Sul [short form], Estado do--ADM1, 30°00ʹS 54°00ʹW; PPL variant name Rio Grande do Sul also listed)
found:Wikipedia, Sept. 23, 2009(Rio Grande do Sul; southernmost State of Brazil)