Columbia subject headings:
Architecture, Medieval--Italy--Puglia.
Church architecture--Italy--Puglia.
Domes--Italy--Puglia.
Stone buildings--Italy--Puglia.
Harvard subject headings:
Church architecture--Italy--Puglia.
Domes--Italy--Puglia.
Puglia (Italy)--Buildings, structures, etc.
Stone buildings--Italy--Puglia.
Princeton subject headings:
Church architecture--Italy--Puglia.
Domes--Italy--Puglia.