Columbia subject headings:
Architecture, Medieval--Europe.
Choirs (Architecture)--Europe.
Church architecture--Europe.
Harvard subject headings:
Princeton subject headings:
Architecture and society--Europe--History.
Architecture, Medieval--Europe.
Choirs (Architecture)--Europe.
Church architecture--Europe--History.
Friars--Europe--History.
Nuns--Europe--History.
Space (Architecture)--Europe--History.