Columbia subject headings:
Harvard subject headings:
Monastic and religious life--History--Middle Ages, 600-1500--Sources.
Monasticism and religious orders--Europe--History--Middle Ages, 600-1500--Sources.
Monasticism and religious orders--Europe--Manuscripts.
Monasticism and religious orders--Rules--Early works to 1800.
Princeton subject headings:
Monasticism and religious orders--History--Middle Ages, 600-1500--Sources.
Monasticism and religious orders--Rules.