Columbia subject headings:
Glossators.
Heresy (Canon law)--History--To 1500.
Harvard subject headings:
Accursius, glossator, approximately 1182-approximately 1260
Christian heretics--Legal status, laws, etc.--History.
Corpus juris civilis.
Glossators.
Gratian, active 12th century. Decretum.
Heresy (Canon law)--History--To 1500.
Princeton subject headings: