Columbia subject headings:
Benedict, Saint, Abbot of Monte Cassino. Regula.
Monasticism and religious orders--Rules.
Harvard subject headings:
Benedict, Saint, Abbot of Monte Cassino. Regula.
Monasticism and religious orders--Rules.
Princeton subject headings:
Benedict, Saint, Abbot of Monte Cassino. Regula.
Monasticism and religious orders--Rules.