Columbia subject headings:
Harvard subject headings:
Poland--Politics and government--20th century
Polish people--Great Britain--History--20th century.
Polish people--Great Britain--Political activity.
World War, 1939-1945--Diplomatic history.
World War, 1939-1945--Governments in exile.
Princeton subject headings:
Poland--Politics and government--1945-1980.
Polish people--Foreign countries--Political activity.
Polish people--Foreign countries--Societies, etc.