Columbia subject headings:
Harvard subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Germany--Foreign relations--Poland.
Germany--Politics and government--1871-1918.
Nationalism--Poland--History--19th century.
Poland--Foreign relations--Germany
Poland--History--1864-1918
Polish question.
Princeton subject headings:
Bismarck, Otto, Fürst von, 1815-1898.
Germany--Foreign relations--Poland.
Germany--Politics and government--1871-1918.
Nationalism--Poland--History--19th century.
Poland--Foreign relations--Germany.
Poland--History--1864-1918.
Polish question.