Columbia subject headings:
Cologne Region (Germany)--Antiquities, Roman.
Germany (West)--Antiquities, Roman.
Romans--Germany--Cologne Region.
Harvard subject headings:
Cologne Region (Germany)--Antiquities, Roman.
Germany--Antiquities, Roman.
Romans--Germany--Cologne Region.
Princeton subject headings:
Belgium--Antiquities, Roman.
France--Antiquities, Roman.
Germany--Antiquities, Roman.
Netherlands--Antiquities, Roman.