Columbia subject headings:
Asturias (Spain)--Antiquities.
Church architecture--Spain--Asturias.
Church buildings--Spain--Asturias.
Harvard subject headings:
Asturias (Spain)--Antiquities.
Church architecture--Spain--Asturias.
Church buildings--Spain--Asturias.
Excavations (Archaeology)--Spain--Asturias.
Princeton subject headings: