Columbia subject headings:
Christian union--Presbyterian Church.
Presbyterian Church in the U.S.--Relations--United Presbyterian Church in the U.S.A.
United Presbyterian Church in the U.S.A.--Relations--Presbyterian Church in the U.S.
Harvard subject headings:
Princeton subject headings:
Christian union--Presbyterian Church.
Presbyterian Church in the U.S.--Relations--United Presbyterian Church in the U.S.A.
United Presbyterian Church in the U.S.A.--Relations--Presbyterian Church in the U.S.