Columbia subject headings:
Germany--Cultural policy--History--20th century.
Germany--Intellectual life--20th century.
Poland--Cultural policy--History--20th century.
Poland--Intellectual life--20th century.
Politics and culture--Germany.
Politics and culture--Poland.
Harvard subject headings:
Germany--Relations--Poland.
Poland--Foreign relations--1918-1945
Poland--Relations--Germany
Princeton subject headings:
Germany--Relations--Poland.
Poland--Foreign relations--1918-1945.
Poland--Relations--Germany.