Columbia subject headings:
Archaeology, Medieval--Italy, Southern--Congresses.
Castles--Italy, Southern--Congresses.
Fortification--Italy, Southern--Congresses.
Harvard subject headings:
Princeton subject headings:
Archaeology, Medieval--Italy, Southern--Congresses.
Castles--Italy, Southern--Congresses.
Excavations (Archaeology)--Italy, Southern--Congresses.
Fortification--Italy, Southern--Congresses.