Columbia subject headings:
Harvard subject headings:
Manorial extents--Germany (West)--Ravensberg (Grafschaft)
Manorial extents--Germany--Ravensberg (Grafschaft)
Ravensberg (Grafschaft)--History--Sources.
Princeton subject headings:
Manorial extents--Ravensberg (Germany : Grafschaft).
Ravensberg (Germany : Grafschaft)--History--Sources.