Columbia subject headings:
Architecture, Romanesque--Spain--País Vasco.
Architecture--Spain--País Vasco.
Arts, Romanesque--Spain--País Vasco.
Christian art and symbolism--Spain--País Vasco.
Church architecture--Spain--País Vasco.
Harvard subject headings:
Princeton subject headings:
Architecture--Spain--País Vasco.
Art--Spain--País Vasco.
Christian art and symbolism--Spain--País Vasco.
Church architecture--Spain--País Vasco.