Columbia subject headings:
Harvard subject headings:
Absolution (Canon law)--History--Sources.
Catholic Church. Poenitentiaria Apostolica--History.
Clemency--History--Sources.
Dispensations (Canon law)--History--Sources.
Forgiveness of sin--History--Sources.
Pardon--History--Sources.
Penitents--History--Sources.
Sins--History--Sources.
Princeton subject headings:
Absolution (Canon law)--History--Sources.
Catholic Church. Poenitentiaria Apostolica--History.
Clemency--History--Sources.
Dispensations (Canon law)--History--Sources.
Forgiveness of sin--History--Sources.
Pardon--History--Sources.
Penitents--History--Sources.
Sins--History--Sources.