Columbia subject headings:
Harvard subject headings:
Law, Medieval.
Law--Italy--Perugia--Sources.
Perugia (Italy)--History--Sources.
Statutes--Italy--Perugia.
Princeton subject headings:
Law, Medieval.
Law--Italy--Perugia--History--Sources.
Perugia (Italy)--History--Sources.
Statutes--Italy--Perugia.