Columbia subject headings:
Art, Romanesque--Spain--La Rioja--Catalogs.
Christian art and symbolism--Spain--La Rioja--Catalogs.
Church architecture--Spain--La Rioja--Catalogs.
Harvard subject headings:
Architecture, Romanesque--Spain--La Rioja--Encyclopedias.
Art, Romanesque--Spain--La Rioja--Encyclopedias.
Art, Spanish--Spain--La Rioja--Encyclopedias.
Christian art and symbolism--Spain--La Rioja--Encyclopedias.
Church architecture--Spain--La Rioja--Encyclopedias.
Church decoration and ornament--Spain--La Rioja--Encyclopedias.
Princeton subject headings: