Columbia subject headings:
Celibacy--Christianity--History.
Divorce--Religious aspects--Christianity--History.
Marriage--Religious aspects--Christianity--History.
Pastoral theology--History of doctrines--Early church, ca. 30-600.
Harvard subject headings:
Celibacy--Christianity--History.
Divorce--Religious aspects--Christianity--History.
Marriage--Religious aspects--Christianity--History.
Ordination--History of doctrines.
Pastoral theology--History of doctrines--Early church, ca. 30-600.
Princeton subject headings: