Columbia subject headings:
Danube River Valley--Antiquities, Roman.
Europe, Central--Antiquities, Roman.
Rhine River Valley--Antiquities, Roman.
Romans--Danube River Valley.
Romans--Europe, Central.
Romans--Rhine River Valley.
Harvard subject headings:
Danube River Valley--Antiquities, Roman.
Europe, Central--Antiquities, Roman.
Rhine River Valley--Antiquities, Roman
Romans--Danube River Valley.
Romans--Europe, Central.
Romans--Rhine River Valley
Princeton subject headings:
Danube River Valley--Antiquities, Roman.
Europe, Central--Antiquities, Roman.
Rhine River Valley--Antiquities, Roman.
Romans--Danube River Valley.
Romans--Europe, Central.
Romans--Rhine River Valley.