Columbia subject headings:
Harvard subject headings:
Aragon (Spain)--Buildings, structures, etc.
Architecture, Romanesque--Spain--Aragon.
Church architecture--Spain--Aragon.
Church decoration and ornament--Spain--Aragon.
Princeton subject headings:
Architecture, Romanesque--Spain--Aragon.
Church architecture--Spain--Aragon.
Church decoration and ornament--Spain--Aragon.