Columbia subject headings:
Alcuin, 735-804.
Concept of repentance.
Penance--History of doctrines--Middle Ages, 600-1500.
Repentance--Christianity--History of doctrines--Middle Ages, 600-1500.
Harvard subject headings:
Alcuin, 735-804--Contributions in concept of repentance.
Penance--History of doctrines--Middle Ages, 600-1500.
Repentance--Christianity--History of doctrines--Middle Ages, 600-1500.
Princeton subject headings:
Alcuin, 735-804.
Penance--History of doctrines--Middle Ages, 600-1500.
Repentance--Christianity--History of doctrines--Middle Ages, 600-1500.