Columbia subject headings:
Asturias (Spain)--Antiquities, Roman--Congresses.
Asturias (Spain)--History--Congresses.
Excavations (Archaeology)--Spain--Asturias--Congresses.
Romans--Spain--Asturias--Congresses.
Harvard subject headings:
Asturias (Spain)--Antiquities, Roman--Congresses.
Asturias (Spain)--History--Congresses.
Excavations (Archaeology)--Spain--Asturias--Congresses.
Romans--Spain--Asturias--Congresses.
Princeton subject headings: