Columbia subject headings:
Harvard subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Germany--Foreign relations--Great Britain.
Germany--Foreign relations--Russia.
Germany--Foreign relations--Soviet Union.
Great Britain--Foreign relations--Germany.
Russia--Foreign relations--Germany.
Soviet Union--Foreign relations--Germany.
Princeton subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Germany--Foreign relations--Great Britain.
Germany--Foreign relations--Soviet Union.
Great Britain--Foreign relations--Germany.
Soviet Union--Foreign relations--Germany.