Columbia subject headings:
Architecture, Roman--Germany--Xanten--Catalogs.
Architecture, Roman--Germany--Xanten.
Colonia Ulpia Traiana Site (Xanten, Germany)
Colonia Ulpia Traiana Site (Xanten, Germany)--Catalogs.
Curtain walls--Germany--Xanten--History.
Excavations (Archaeology)--Germany--Xanten.
Stone buildings--Germany--Xanten--Catalogs.
Stone buildings--Germany--Xanten--History.
Xanten (Germany)--Antiquities, Roman.
Harvard subject headings:
Architecture, Roman--Germany--Xanten--Catalogs.
Architecture, Roman--Germany--Xanten.
Colonia Ulpia Traiana Site (Xanten, Germany)
Colonia Ulpia Traiana Site (Xanten, Germany)--Catalogs.
Curtain walls--Germany--Xanten--History.
Excavations (Archaeology)--Germany--Xanten.
Stone buildings--Germany--Xanten--Catalogs.
Stone buildings--Germany--Xanten--History.
Xanten (Germany)--Antiquities, Roman.
Princeton subject headings:
Architecture, Roman--Germany--Xanten--Catalogs.
Architecture, Roman--Germany--Xanten.
Colonia Ulpia Traiana Site (Xanten, Germany)
Colonia Ulpia Traiana Site (Xanten, Germany)--Catalogs.
Curtain walls--Germany--Xanten--History.
Excavations (Archaeology)--Germany--Xanten.
Stone buildings--Germany--Xanten--Catalogs.
Stone buildings--Germany--Xanten--History.
Xanten (Germany)--Antiquities, Roman.