Columbia subject headings:
Minorities.
Poland--Economic policy.
Poland--Foreign relations.
Poland--Politics and government--1918-1945.
Harvard subject headings:
Minorities--Poland
Poland--Economic policy
Poland--Foreign relations
Poland--Politics and government--1918-1945
Princeton subject headings:
Minorities--Poland.
Poland--Economic policy.
Poland--Foreign relations.
Poland--Politics and government--1918-1945.