Columbia subject headings:
Constance, Lake, Region--History.
Germany, Southern--History.
Nobility--Constance, Lake, Region.
Nobility--Germany, Southern.
Nobility--Switzerland--Zurich, Lake of, Region.
Zurich, Lake of, Region (Switzerland)--History.
Harvard subject headings:
Constance (Lake of, Region)--History.
Germany, Southern--History.
Nobility--Constance, Lake of, Region.
Nobility--Germany, Southern.
Nobility--Switzerland--Zurich, Lake of, Region.
Zurich, Lake of, Region (Switzerland)--History.
Princeton subject headings:
Constance, Lake, Region--History.
Germany, Southern--History.
Nobility--Constance, Lake, Region.
Nobility--Germany, Southern.
Nobility--Switzerland--Zürich, Lake of, Region.
Zürich, Lake of, Region--History.