Columbia subject headings:
Law, Medieval.
Law--Italy--Vercelli--History.
Law--Italy--Vercelli--Sources.
Manuscripts, Medieval--Italy--Vercelli.
Ordinances, Municipal--Italy--Vercelli.
Harvard subject headings:
Law, Medieval.
Law--Italy--Vercelli--History.
Law--Italy--Vercelli--Sources.
Manuscripts, Medieval--Italy--Vercelli.
Ordinances, Municipal--Italy--Vercelli.
Princeton subject headings:
Italy--History--13th century.
Law--Italy--Vercelli--History.
Legislation--Italy--Vercelli--History.
Vercelli (Italy)--History.