Columbia subject headings:
Harvard subject headings:
Germany--History--20th century.
Heads of state--Germany--Biography.
Hitler, Adolf, 1889-1945
Rome--History
Rome--Kings and rulers.
Princeton subject headings:
Germany--History--20th century.
Heads of state--Germany--Biography.
Hitler, Adolf, 1889-1945.
Rome--History.
Rome--Kings and rulers.