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