Columbia subject headings:
Poland--Emigration and immigration--History.
Polish people--Great Britain--History--20th century.
Harvard subject headings:
Poland--Emigration and immigration--History.
Poland--Politics and government--1945-1980
Polish people--Foreign countries--Politics and government
Polish people--Great Britain--History--20th century.
Political refugees--Great Britain.
World War, 1939-1945--Refugees.
Princeton subject headings:
Poland--Politics and government--1945-1980.
Polish people--Foreign countries--Politics and government.