Columbia subject headings:
Architecture, Byzantine--Syria--Congresses.
Architecture, Classical--Syria--Congresses.
Cities and towns, Ancient--Syria--Congresses.
Excavations (Archaeology)--Syria--Congresses.
Islamic architecture--Syria--Congresses.
Islamic cities and towns--Syria--Congresses.
Syria--Antiquities--Congresses.
Harvard subject headings:
Architecture, Byzantine--Syria--Congresses.
Architecture, Classical--Syria--Congresses.
Cities and towns, Ancient--Syria--Congresses.
Excavations (Archaeology)--Syria--Congresses.
Islamic architecture--Syria--Congresses.
Islamic cities and towns--Syria--Congresses.
Syria--Antiquities--Congresses.
Princeton subject headings:
Architecture, Byzantine--Syria--Congresses.
Architecture, Classical--Syria--Congresses.
Cities and towns, Ancient--Syria--Congresses.
Excavations (Archaeology)--Syria--Congresses.
Islamic architecture--Syria--Congresses.
Islamic cities and towns--Syria--Congresses.
Syria--Antiquities--Congresses.