Columbia subject headings:
Augustine, of Hippo, Saint, 354-430.
Holy Spirit--History of doctrines.
Harvard subject headings:
Augustine, of Hippo, Saint, 354-430
Holy Spirit--History of doctrines
Spiritual life--Christianity--History of doctrines--Early church, ca. 30-600.
Theology, Doctrinal--History--Early church, ca. 30-600.
Princeton subject headings: