Columbia subject headings:
Germany--History--Saxon House, 919-1024.
Germany--Kings and rulers--Biography.
Henry I, King of Germany, approximately 876-936.
Otto I, Holy Roman Emperor, 912-973.
Harvard subject headings:
Germany--History--Saxon House, 919-1024.
Henry I, King of Germany, approximately 876-936.
Otto I, Holy Roman Emperor, 912-973.
Princeton subject headings:
Germany--History--Saxon House, 919-1024.
Henry I, King of Germany, approximately 876-936.
Kings and rulers--Germany--Biography.
Otto I, Holy Roman Emperor, 912-973.