Columbia subject headings:
Harvard subject headings:
Germany--Kings and rulers--Exhibitions.
Hohenstaufen, House of--Exhibitions.
Holy Roman Empire--History--Hohenstaufen, 1138-1254--Exhibitions.
Princeton subject headings:
Germany--Kings and rulers--Exhibitions.
Hohenstaufen, House of--Exhibitions.
Holy Roman Empire--History--Hohenstaufen, 1138-1254--Exhibitions.