Columbia subject headings:
Harvard subject headings:
Germany--Foreign relations--Poland
Poland--Foreign relations--Germany--20th century.
Poland. Treaties, etc. December 7, 1970.
Princeton subject headings:
Germany (West)--Boundaries--Poland--History--Sources.
Germany (West)--Foreign relations--Poland--Sources.
Poland--Boundaries--Germany (West)--History--Sources.
Poland--Foreign relations--Germany (West)--Sources.
Poland. Treaties, etc. 1970 December 7