Columbia subject headings:
Harvard subject headings:
Assurance (Theology)--History of doctrines--Early church, ca. 30-600.
Augustine, of Hippo, Saint, 354-430--Contributions in spirituality.
Augustine, of Hippo, Saint, 354-430--Contributions in theology.
Peace of mind--Religious aspects--Christianity
Perseverance (Theology)--History of doctrines--Early church, ca. 30-600.
Spiritual life--Christianity--History of doctrines--Early church, ca. 30-600.
Spirituality--History of doctrines--Early church, ca. 30-600.
Princeton subject headings:
Augustine, of Hippo, Saint, 354-430.
Confidence--Religious aspects--Christianity--History of doctrines--Early church, ca. 30-600.
Peace of mind--Religious aspects--Christianity--History of doctrines--Early church, ca. 30-600.
Securitas (The Latin word)