Columbia subject headings:
Germany--History, Local.
Germany--History--To 1517.
Germany--Kings and rulers--Dwellings.
Harvard subject headings:
Germany--History, Local.
Germany--History--To 1517.
Germany--Kings and rulers--Dwellings.
Princeton subject headings:
Germany--History, Local.
Germany--History--To 1517.
Germany--Kings and rulers--Dwellings.
Max-Planck-Institut für Geschichte.