Columbia subject headings:
French--Brazil.
Public works--Brazil--Pernambuco.
Vauthier, L.-L. (Louis-Léger), 1815-1901.
Harvard subject headings:
Princeton subject headings:
French--Brazil.
Pernambuco, Brazil (State)--Public works.
Vauthier, L.-L. (Louis-Léger), 1815-1901.