Columbia subject headings:
Africa, North--Antiquities, Roman.
Bathrooms--Holy Roman Empire.
Baths, Roman--Africa, North--History.
Baths, Roman--England--History.
Baths, Roman--History.
Baths, Roman--Italy--History.
England--Antiquities, Roman.
Italy--Antiquities, Roman.
Water-supply--Holy Roman Empire.
Harvard subject headings:
Africa, North--Antiquities, Roman.
Bathrooms--Holy Roman Empire.
Baths, Roman--Africa, North--History.
Baths, Roman--England--History.
Baths, Roman--History.
Baths, Roman--Italy--History.
England--Antiquities, Roman
Italy--Antiquities, Roman.
Water-supply--Holy Roman Empire.
Princeton subject headings:
Africa, North--Antiquities, Roman.
Bathrooms--Holy Roman Empire.
Baths, Roman--Africa, North--History.
Baths, Roman--England--History.
Baths, Roman--History.
Baths, Roman--Italy--History.
England--Antiquities, Roman.
Italy--Antiquities, Roman.
Water-supply--Holy Roman Empire.