Columbia subject headings:
Carthusians--Germany--Biography.
Dietrich, von Silve-bénite, approximately 1145-1205.
Diplomats--Germany--Biography.
Germany--History--Frederick I, 1152-1190.
Harvard subject headings:
Carthusians--Germany--Biography.
Dietrich, von Silve-bénite, approximately 1145-1190.
Dietrich, von Silve-bénite, approximately 1145-1205.
Diplomats--Germany--Biography
Germany--History--Frederick I, 1152-1190.
Princeton subject headings:
Carthusians--Germany--Biography.
Dietrich, von Silve-bénite, approximately 1145-1205.
Diplomats--Germany--Biography.
Germany--History--Frederick I, 1152-1190.