Columbia subject headings:
Harvard subject headings:
Asceticism--Early works to 1800.
Gregory, of Nyssa, Saint, approximately 335-approximately 394. De instituto christiano.
Messalians--History--Sources.
Monasticism and religious orders--Rules--Early works to 1800.
Pseudo-Macarius. Great letter.
Princeton subject headings:
Ascetism.
Monasticism and religious orders--Rules.