Columbia subject headings:
Canon law--History--To 1500.
Canonists--Europe--History--To 1500.
Law--Study and teaching--Europe--History--To 1500.
Practice of law--Europe--History--To 1500.
Harvard subject headings:
Canon law--History--To 1500.
Canonists--Europe--History--To 1500.
Law--Study and teaching--Europe--History--To 1500.
Practice of law--Europe--History--To 1500.
Princeton subject headings:
Canon law--History--To 1500.
Canonists--Europe--History--To 1500.
Law--Study and teaching--Europe--History--To 1500.
Practice of law--Europe--History--To 1500.