Columbia subject headings:
Architecture, Medieval--Spain--Asturias--Bibliography.
Architecture, Medieval--Spain--Asturias.
Art, Medieval--Spain--Asturias--Bibliography.
Art, Medieval--Spain--Asturias.
Harvard subject headings:
Art, Spanish--Spain--Asturias--Bibliography.
Christian art and symbolism--Spain--Asturias--Medieval, 500-1500--Bibliography.
Christian art and symbolism--Spain--Asturias--To 500--Bibliography.
Church architecture--Spain--Asturias--Bibliography.
Princeton subject headings: