Columbia subject headings:
Brazil--History--1763-1822.
Brazil--History--Empire, 1822-1889.
Harvard subject headings:
Brazil--Politics and government--1763-1822.
Brazil--Politics and government--1822-1889.
Pedro I, Emperor of Brazil, 1798-1834
Princeton subject headings:
Brazil--Politics and government--1763-1822.
Brazil--Politics and government--1822-1889.
Pedro I, Emperor of Brazil, 1798-1834.