Columbia subject headings:
Harvard subject headings:
Christian leadership--History.
Christian literature, Early--History and criticism.
Church history--Primitive and early church, ca. 30-600--Sources--History and criticism.
Church polity--History--Early church, ca. 30-600--Sources.
Church polity--History--Early church, ca. 30-600.
Clergy--History of doctrines--Early church, ca. 30-600.
Clergy--Office--History of doctrines--Early church, ca. 30-600--Sources.
Clergy--Office--History of doctrines--Early church, ca. 30-600.
Clergy--Office--History--Sources.
Fathers of the church.
Ordination--History--Sources.
Pastoral theology--History of doctrines--Early church, ca. 30-600--Sources.
Pastoral theology--History of doctrines--Early church, ca. 30-600.
Princeton subject headings:
Catholic Church--Clergy--History--Sources.
Church polity--History--Sources.
Church work--History--Sources.
Clergy--Office--History of doctrines--Early church, ca. 30-600.
Clergy--Office--History--Sources.
Fathers of the church.