Columbia subject headings:
Harvard subject headings:
Excavations (Archaeology)--England--North Yorkshire.
North Yorkshire (England)--Antiquities.
Romans--England--North Yorkshire.
Yorkshire (England)--Antiquities, Roman.
Princeton subject headings:
Excavations (Archaeology)--England--Yorkshire.
Great Britain--Antiquities.
Yorkshire (England)--Antiquities, Roman.
Yorkshire (England)--Antiquities.