Columbia subject headings:
Henry VI, Holy Roman Emperor, 1165-1197.
Holy Roman Empire. Reichshofkanzlei.
Harvard subject headings:
Henry VI, Holy Roman Emperor, 1165-1197.
Holy Roman Empire. Reichshofkanzlei.
Princeton subject headings:
Henry VI, Holy Roman Emperor, 1165-1197.
Holy Roman Empire. Reichshofkanzlei