Columbia subject headings:
Harvard subject headings:
Brazil--History.
Diplomats--Brazil.
Historians--Brazil.
Instituto Histórico e Geográfico Brasileiro.
Varnhagen, Francisco Adolfo de, Visconde de Porto Seguro, 1816-1878--Bibliography.
Princeton subject headings:
Brazil--Colonization--History.
Brazil--History--19th century.
Brazil--History--Empire, 1822-1889.
Instituto Histórico e Geográfico Brasileiro.
Varnhagen, Francisco Adolfo de, Visconde de Porto Seguro, 1816-1878.