Columbia subject headings:
Archaeology, Medieval.
Church architecture--Europe--History.
Church history.
Harvard subject headings:
Archaeology, Medieval.
Church architecture--Europe--History.
Church history.
Princeton subject headings:
Archaeology, Medieval--Europe.
Architecture, Medieval--Europe.
Church architecture--Europe.
Church history--Middle Ages, 600-1500.
Church history--Primitive and early church, ca. 30-600.