Columbia subject headings:
Comparative civilization.
Netherlands--History--17th century.
Oldenburg (Germany : State)--History--17th century.
Harvard subject headings:
Comparative civilization.
Netherlands--History--17th century.
Oldenburg (Germany : State)--History--17th century.
Princeton subject headings:
Comparative civilization.
Netherlands--History--17th century.
Oldenburg (Germany : State)--History--17th century.