Columbia subject headings:
Excavations (Archaeology)--Middle East--Congresses.
Islamic civilization--Congresses.
Middle East--Antiquities--Congresses.
Middle East--Civilization--To 622--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Middle East--Congresses.
Islamic civilization--Congresses
Middle East--Antiquities--Congresses.
Middle East--Civilization--To 622--Congresses.
Princeton subject headings: