Columbia subject headings:
Harvard subject headings:
Bewcastle (England)--Antiquities, Roman.
Cumbria (England)--Antiquities, Roman.
Excavations (Archaeology)--England--Cumbria.
Fortification, Roman--England--Cumbria.
Old Penrith site (Cumbria, England)
Romans--England--Cumbria.
Princeton subject headings:
Cumbria (England)--Antiquities, Roman.
Fortification, Roman--England--Cumbria.