Columbia subject headings:
Harvard subject headings:
Catholic Church. Archdiocese of Cologne (Germany)--History--Sources.
Church property--Germany--Westphalia--History--To 1500--Sources.
Feudalism--Germany--Westphalia--History--Sources.
Land tenure--Germany--Westphalia--History--To 1500--Sources.
Westphalia (Germany)--History--Sources.
Princeton subject headings:
Catholic Church. Archdiocese of Cologne (Germany)--History--Sources.
Church property--Germany--Westphalia--History--To 1500--Sources.
Feudalism--Germany--Westphalia--History--Sources.
Land tenure--Germany--Westphalia--History--To 1500--Sources.
Westphalia (Germany)--History--Sources.