Columbia subject headings:
Gregory, of Nyssa, Saint, approximately 335-approximately 394.
Mysticism--History--Early church, ca. 30-600.
Harvard subject headings:
Gregory, of Nyssa, Saint, approximately 335-approximately 394
Mysticism--History--Early church, ca. 30-600
Mysticism--History--Early church, ca. 30-600.
Princeton subject headings: