Columbia subject headings:
Bible. New Testament--Criticism, interpretation, etc.--Congresses.
Church--Biblical teaching--Congresses.
Church--Unity--Congresses.
Harvard subject headings:
Bible. New Testament--Criticism, interpretation, etc.
Church history--Primitive and early church, ca. 30-600
Church--Biblical teaching--Congresses.
Church--Unity--Biblical teaching.
Church--Unity--History of doctrines--Early church, ca. 30-600.
Princeton subject headings: