Columbia subject headings:
Brazil--Relations--Portugal.
Minas Gerais (Brazil)--History.
Portugal--Relations--Brazil.
Harvard subject headings:
Princeton subject headings:
Brazil--History--1763-1822.
Brazil--Relations--Portugal.
Minas Gerais (Brazil)--History--Revolution, 1789.
Portugal--Relations--Brazil.
Tiradentes, 1746-1792.