Columbia subject headings:
Romans--Germany--Xanten.
Xanten (Germany)--Antiquities, Roman.
Xanten (Germany)--Antiquities.
Xanten (Germany)--History.
Harvard subject headings:
Romans--Germany--Xanten.
Xanten (Germany)--Antiquities, Roman.
Xanten (Germany)--Antiquities.
Xanten (Germany)--History.
Princeton subject headings:
Bonner Jahrbücher--Indexes.
Excavations (Archaeology)--Germany--Xanten.
Xanten (Germany)--Antiquities.
Xanten (Germany)--History.