Columbia subject headings:
Law, Medieval--Sources--Congresses.
Law--Italy--Nievole River Valley--History--Sources--Congresses.
Municipal charters--Italy--Nievole River Valley--Congresses.
Nievole River Valley (Italy)--Charters, grants, privileges--Congresses.
Harvard subject headings:
Nievole River Valley (Italy)--History--Congresses.
Nievole River Valley (Italy)--History--Sources--Congresses.
Statutes--Italy--Nievole River Valley--Congresses.
Princeton subject headings:
Law, Medieval--Sources--Congresses.
Law--Italy--Nievole River Valley--History--Sources--Congresses.
Municipal charters--Italy--Nievole River Valley--Congresses.
Nievole River Valley (Italy)--Charters, grants, privileges--Congresses.