Columbia subject headings:
Harvard subject headings:
Frankewitz, Stefan--Friends and associates.
Geldern (Germany)--Antiquities.
Geldern (Germany)--History.
Rhine River Valley--Antiquities.
Rhine River Valley--History
Princeton subject headings:
Frankewitz, Stefan--Friends and associates.
Geldern (Germany)--Antiquities.
Geldern (Germany)--History.
Rhine River Valley--Antiquities.
Rhine River Valley--History.