Columbia subject headings:
Architecture, Romanesque--Spain--Sober.
Decoration and ornament, Romanesque--Spain--Sober.
Harvard subject headings:
Architecture, Romanesque--Spain--Sober.
Decoration and ornament, Romanesque--Spain--Sober.
Princeton subject headings:
Architecture, Romanesque--Spain--Sober.
Decoration and ornament, Romanesque--Spain--Sober.