Columbia subject headings:
Apostolic succession--History of doctrines--20th century.
Church polity and Christian union--History of doctrines--20th century.
Church--Apostolicity--History of doctrines--20th century.
Clergy--Office--History of doctrines--20th century.
Episcopacy and Christian union--History of doctrines--20th century.
Harvard subject headings:
Apostolic succession--History of doctrines--20th century.
Church polity and Christian union--History of doctrines--20th century.
Church--Apostolicity--History of doctrines--20th century.
Church--History of doctrines--20th century
Clergy--Office--History of doctrines--20th century.
Episcopacy and Christian union--History of doctrines--20th century.
Princeton subject headings: