Columbia subject headings:
Harvard subject headings:
Kleve (North Rhine-Westphalia, Germany)--Charters, grants, privileges.
Kleve (North Rhine-Westphalia, Germany)--History--Sources.
Princeton subject headings:
Cleve (Duchy)--History--Sources.
Law--Germany--Cleve (Duchy)--History--Sources.
Municipal government--Germany--Cleve (Duchy)--History--Sources.