Columbia subject headings:
Architecture, Romanesque--Spain--Asturias--Encyclopedias.
Architecture--Spain--Asturias--Encyclopedias.
Art, Romanesque--Spain--Asturias--Encyclopedias.
Art, Spanish--Spain--Asturias--Encyclopedias.
Harvard subject headings:
Architecture, Romanesque--Spain--Asturias--Encyclopedias.
Architecture--Spain--Asturias--Encyclopedias.
Art, Romanesque--Spain--Asturias--Encyclopedias.
Art, Spanish--Spain--Asturias--Encyclopedias.
Decoration and ornament, Architectural--Spain--Asturias.
Decoration and ornament, Romanesque--Spain--Asturias.
Princeton subject headings:
Architecture, Romanesque--Spain--Asturias--Encyclopedias.
Architecture--Spain--Asturias--Encyclopedias.
Art, Romanesque--Spain--Asturias--Encyclopedias.
Art, Spanish--Spain--Asturias--Encyclopedias.
Encyclopedias.