Columbia subject headings:
Christian communities--Congresses.
Christian sects--Congresses.
Christianity--Societies, etc.--Congresses.
Church history--Congresses.
Harvard subject headings:
Christian communities--Congresses.
Christian sects--Congresses.
Christianity--Societies, etc.--Congresses.
Church history--Congresses.
Princeton subject headings:
Christian communities--Congresses.
Christian sects--Congresses.
Christianity--Societies, etc.--Congresses.
Church history--Congresses.