Columbia subject headings:
Harvard subject headings:
Aristocracy (Social class)--Germany, Northern--History.
Aristocracy (Social class)--Netherlands--History.
Elite (Social sciences)--Germany, Northern--History.
Elite (Social sciences)--Netherlands--History.
Nobility--Germany, Northern--History.
Nobility--Netherlands--History.
Princeton subject headings:
Germany, Northern--Social life and customs--History.
Netherlands--Social life and customs--History.
Nobility--Germany, Northern--History.
Nobility--Netherlands--History.