Columbia subject headings:
Harvard subject headings:
Architecture, Medieval--Germany--Thuringia.
Castles--Germany--Thuringia.
Kings and rulers--Dwellings
Thuringia (Germany)--History--To 1500.
Princeton subject headings:
Architecture, Medieval--Germany--Thuringia.
Castles--Germany--Thuringia.
Kings and rulers--Dwellings.
Thuringia (Germany)--History--To 1500.