Columbia subject headings:
Harvard subject headings:
Brazil--Politics and government--1822-1889.
Brazil--Politics and government--1889-1930.
Portugal--Politics and government--1789-1900.
Portugal--Politics and government--1900-1910.
Princeton subject headings:
Brazil--Politics and government--1822-1889.
Brazil--Politics and government--1889-1930.
Monarchy--Brazil--History--19th century.
Monarchy--Portugal--History--19th century.
Portugal--Politics and government--1789-1900.