Columbia subject headings:
Architecture, Roman--Netherlands.
Architecture, Romanesque--Netherlands.
Art, Roman--Netherlands.
Church architecture--Netherlands.
Church buildings--Netherlands.
Church decoration and ornament--Netherlands.
Harvard subject headings:
Architecture, Romanesque--Netherlands.
Church architecture--Netherlands.
Decoration and ornament, Romanesque--Netherlands.
Princeton subject headings:
Art, Romanesque--Netherlands.
Art--Netherlands.