Columbia subject headings:
Europe--History, Military--18th century.
Europe--History--18th century.
Europe--Politics and government--18th century.
Harvard subject headings:
Europe--History, Military--18th century.
Europe--History--18th century.
Europe--Politics and government--18th century.
Princeton subject headings:
Europe--History, Military--18th century.
Europe--History--18th century.
Europe--Politics and government--18th century.