Columbia subject headings:
Harvard subject headings:
Brazil--History--Empire, 1822-1889.
Brazil--Kings and rulers--Correspondence.
Emperors--Brazil--Correspondence.
Pedro I, Emperor of Brazil, 1798-1834--Correspondence.
Santos, Domitila de Castro Canto e Melo, Marquesa de, 1797-1867--Correspondence.
Princeton subject headings:
Brazil--History--Empire, 1822-1889.
Brazil--Kings and rulers--Correspondence.
Emperors--Brazil--Correspondence.
Pedro I, Emperor of Brazil, 1798-1834--Correspondence.
Santos, Domitila de Castro Canto e Melo, Marquesa de, 1797-1867--Correspondence.