Columbia subject headings:
Architecture, Ancient--Congresses.
Building--History--To 1500--Congresses.
Material culture--Mediterranean Region--History--To 1500--Congresses.
Mediterranean Region--Antiquities--Congresses.
Mediterranean Region--Buildings, structures, etc.--Congresses.
Harvard subject headings:
Architecture, Ancient--Congresses.
Building--History--To 1500--Congresses.
Material culture--Mediterranean Region--History--To 1500--Congresses.
Mediterranean Region--Antiquities--Congresses.
Mediterranean Region--Buildings, structures, etc.--Congresses.
Princeton subject headings:
Architecture, Ancient--Congresses.
Building materials--History--To 1500--Congresses.
Building--History--To 1500--Congresses.
Fortification--History--To 1500--Congresses.