Columbia subject headings:
Excavations (Archaeology)--Spain--Vizcaya.
Peña Forua Cave (Spain)
Romans--Spain--Vizcaya.
Spain--Antiquities, Roman.
Vizcaya (Spain)--Antiquities, Roman.
Harvard subject headings:
Excavations (Archaeology)--Spain--Vizcaya.
Peña Forua Cave (Spain)
Romans--Spain--Vizcaya.
Spain--Antiquities, Roman.
Vizcaya (Spain)--Antiquities, Roman.
Princeton subject headings: