Columbia subject headings:
Germany--Relations--Poland.
Nationalism--Germany.
Nationalism--Poland.
Poland--History--1864-1918.
Poland--Relations--Germany.
Polish people--Germany--Prussia--History.
Harvard subject headings:
Germany--Relations--Poland.
Nationalism--Germany
Nationalism--Poland
Poland--History--1864-1918
Poland--Relations--Germany
Polish people--Germany--Prussia--History.
Princeton subject headings:
Germany--Relations--Poland.
Nationalism--Germany.
Nationalism--Poland.
Poland--History--1864-1918.
Poland--Relations--Germany.
Polish people--Prussia--History.