Columbia subject headings:
Beatific vision--History of doctrines--Early church, ca. 30-600.
Spirituality--Orthodox Eastern Church--History of doctrines--Early church, ca. 30-600.
Symeon, the New Theologian, Saint, 949-1022.
Harvard subject headings:
Beatific vision--History of doctrines--Early church, ca. 30-600.
Beatific vision--History of doctrines--Middle Ages, 600-1500.
Spiritual life--Christianity--History of doctrines--Early church, ca. 30-600.
Spiritual life--Christianity--History of doctrines--Middle Ages, 600-1500
Spirituality--History of doctrines--Middle Ages, 600-1500.
Symeon, the New Theologian, Saint, 949-1022.
Princeton subject headings: