Columbia subject headings:
Montecassino (Monastery)--History.
Harvard subject headings:
Christian art and symbolism--Italy--Medieval, 500-1500
Christian art and symbolism--Italy.
Church history--Middle Ages, 600-1500
Monasticism and religious orders--History--Middle Ages, 600-1500.
Montecassino (Monastery)--History.
Princeton subject headings:
Montecassino (Monastery)--History.