Columbia subject headings:
Harvard subject headings:
Emperors--Germany--Biography.
Germany--History--William I, 1871-1888.
Prussia (Germany)--History--William I, 1861-1888.
Prussia (Germany)--Kings and rulers--Biography.
William I, German Emperor, 1797-1888.
Princeton subject headings:
Emperors--Germany--Biography.
Germany--History--William I, 1871-1888.
Prussia (Germany)--History--William I, 1861-1888.
Prussia (Germany)--Kings and rulers--Biography.
William I, German Emperor, 1797-1888.