Columbia subject headings:
Excavations (Archaeology)--Germany--North Rhine-Westphalia.
North Rhine-Westphalia (Germany)--Antiquities, Roman.
Romans--Germany--North Rhine-Westphalia.
Harvard subject headings:
Excavations (Archaeology)--Germany--North Rhine-Westphalia.
Germany (West)--Antiquities, Roman.
North Rhine-Westphalia (Germany)--Antiquities, Roman.
Romans--Germany--North Rhine-Westphalia.
Princeton subject headings:
Excavations (Archaeology)--Germany (West)--North Rhine-Westphalia.
North Rhine-Westphalia (Germany)--Antiquities, Roman.
Romans--Germany (West)--North Rhine-Westphalia.