Columbia subject headings:
Archaeology--Italy.
Architecture, Early Christian--Italy.
Architecture, Medieval--Italy.
Harvard subject headings:
Archaeology, Medieval--Italy.
Architecture, Early Christian--Italy.
Architecture, Medieval--Italy.
Cecchelli, Carlo, 1893-1960--Bibliography.
Christian antiquities--Italy.
Church history--Middle Ages, 600-1500
Church history--Primitive and early church, ca. 30-600
Princeton subject headings: