Columbia subject headings:
Frederick III, Holy Roman Emperor, 1415-1493.
Germany--History--Frederick III, 1440-1493.
Germany--Kings and rulers--Biography.
Harvard subject headings:
Frederick III, Holy Roman Emperor, 1415-1493.
Germany--History--Frederick III, 1440-1493.
Germany--Kings and rulers--Biography.
Princeton subject headings:
Frederick III, Emperor of Germany, 1415-1493.
Germany--History--Frederick III, 1440-1493.
Germany--Kings and rulers--Biography.