Columbia subject headings:
Syriac Christians--Congresses.
Syrian churches--Congresses.
Harvard subject headings:
Christians--Syria--History--Congresses.
Eastern churches--Congresses.
Syriac Christians--Congresses.
Syrian churches--Congresses.
Syrian churches--Doctrines--Congresses.
Syrian churches--History--Congresses.
Princeton subject headings:
Christians--Syria--History--Congresses.
Eastern churches--Congresses.
Syriac Christians--Congresses.
Syrian churches--Doctrines--Congresses.
Syrian churches--History--Congresses.