Columbia subject headings:
Europe, Eastern--Politics and government--Periodicals.
Poland--Relations--Soviet Union--Periodicals.
Soviet Union--Relations--Poland--Periodicals.
Harvard subject headings:
Europe, Eastern--Politics and government--Periodicals.
Poland--Relations--Soviet Union--Periodicals.
Soviet Union--Relations--Poland--Periodicals.
Princeton subject headings:
Europe, Eastern--Politics and government--Periodicals.
Poland--Relations--Soviet Union--Periodicals.
Soviet Union--Relations--Poland--Periodicals.