Columbia subject headings:
Harvard subject headings:
Bragança, House of.
Portugal--History--17th century.
Portugal--History--18th century.
Princeton subject headings:
Portugal--History--Afonso VI, 1656-1683--Chronology.
Portugal--History--John IV, 1640-1656--Chronology.
Portugal--History--Pedro II, 1683-1706--Chronology.