Columbia subject headings:
Harvard subject headings:
Germany--History--Dictionaries--German.
Germany--Kings and rulers--Biography.
Princes--Germany--Biography.
Princeton subject headings:
Germany--Biography--Dictionaries.
Germany--History--Dictionaries.
Germany--Kings and rulers--Biography--Dictionaries.
Princes--Germany--Biography--Dictionaries.
Princesses--Germany--Biography--Dictionaries.