Columbia subject headings:
Germany--Foreign relations--Poland.
Germany--Politics and government--1945-1990.
Poland--Foreign relations--Germany.
Poland--Politics and government--1989-
Harvard subject headings:
Germany--Foreign relations--Poland.
Germany--Politics and government--1945-1990.
Poland--Foreign relations--Germany
Poland--Politics and government--1989-
Princeton subject headings:
Germany (West)--Foreign relations--Poland.
Poland--Foreign relations--Germany (West).