Columbia subject headings:
Castles--Germany--History.
Cities and towns, Medieval--Europe.
Germany--Kings and rulers--Dwellings.
Nobility--Dwellings--Germany.
Patze, Hans.
Harvard subject headings:
Castles--Germany--History.
Cities and towns, Medieval--Europe.
Germany--Kings and rulers--Dwellings.
Nobility--Germany--Dwellings.
Patze, Hans.
Princeton subject headings:
Cities and towns, Medieval--Germany.
Germany--King and rulers--Dwellings.