Columbia subject headings:
Christian life--History--Early church, ca. 30-600.
Spirituality--History of doctrines--Early church, ca. 30-600.
Harvard subject headings:
Christian life--History--Early church, ca. 30-600.
Fathers of the church.
Spirituality--Christianity--History--Early church, ca. 30-600
Spirituality--History of doctrines--Early church, ca. 30-600.
Theology--History--Early church, ca. 30-600
Princeton subject headings:
Christian life--History--Early church, ca. 30-600.
Spirituality--History of doctrines--Early church, ca. 30-600.