Columbia subject headings:
Cassian, John, approximately 360-approximately 435.
Monastic and religious life--History--Early church, ca. 30-600.
Monasticism and religious orders--Egypt.
Monasticism and religious orders--Rules--Early works to 1800.
Pachomius, Saint.
Harvard subject headings:
Cassian, John, approximately 360-approximately 435
Pachomius, Saint.
Princeton subject headings:
Cassian, John, approximately 360-approximately 435.
Pachomius, Saint