Columbia subject headings:
Harvard subject headings:
Architecture, Medieval--Balkan Peninsula.
Architecture, Medieval--Italy, Southern.
Balkan Peninsula--Church history.
Church architecture--Balkan Peninsula.
Church architecture--Italy, Southern.
Italy, Southern--Church history.
Princeton subject headings:
Architecture, Medieval--Balkan Peninsula.
Architecture, Medieval--Italy, Southern.
Balkan Peninsula--Church history.
Church architecture--Balkan Peninsula.
Church architecture--Italy, Southern.
Italy, Southern--Church history.