Columbia subject headings:
Harvard subject headings:
Brazil--Civilization--19th century.
Brazil--Politics and government--19th century.
Carvalho, Manoel Francisco de, 1824-1908. Ziguezague da seção geológica da Comissão Científica do Norte.
Science--Brazil--History--19th century.
Princeton subject headings:
Anecdotes.
Brazil, North--Description and travel--19th century.
Brazil. Comissão Científica de Exploração--Anecdotes.
Capanema, Guilherme Schuch de Capanema, Barão de, 1824-1908.
Ceará (Brazil : State)--Discovery and exploration--Anecdotes.
Geology--Brazil, North.
Paraíba (Brazil : State)--Discovery and exploration--Anecdotes.
Rio Grande do Norte (Brazil)--Discovery and exploration--Anecdotes.
Scientific expeditions--Brazil, North--Anecdotes.