Columbia subject headings:
Church history--Congresses.
City churches--History--Congresses.
Rural churches--History--Congresses.
Harvard subject headings:
Church history--Congresses.
City churches--History--Congresses.
Rural churches--History--Congresses.
Princeton subject headings:
Church history--Congresses.
City churches--History--Congresses.
Rural churches--History--Congresses.