Columbia subject headings:
Armenia--Civilization--Congresses.
Armenian Church--Congresses.
Church of the East--Congresses.
Middle East--Civilization--Congresses.
Syria--Civilization--Congresses.
Syrian churches--Congresses.
Harvard subject headings:
Armenia--Civilization--Congresses.
Armenian Church--Congresses.
Middle East--Civilization--Congresses.
Nestorian Church--Congresses.
Syria--Civilization--Congresses.
Syrian churches--Congresses.
Princeton subject headings:
Armenia--Civilization--Congresses.
Armenian Church--Congresses.
Middle East--Civilization--Congresses.
Nestorian Church--Congresses.
Syria--Civilization--Congresses.
Syrian Church--Congresses.