Columbia subject headings:
Harvard subject headings:
Brazil--History--Empire, 1822-1889.
Isabel, Princess of Brazil, 1846-1921.
Pedro II, Emperor of Brazil, 1825-1891.
Princeton subject headings:
Brazil--History--Empire, 1822-1889.
Isabel, Princess of Brazil, 1846-1921.
Pedro II, Emperor of Brazil, 1825-1891.