Columbia subject headings:
Harvard subject headings:
Polish people--Russia (Federation)--Congresses.
Post-communism--Former Soviet republics--Congresses
Post-communism--Russia (Federation)--Congresses
Russia (Federation)--Politics and government--1991---Congresses.
Princeton subject headings:
Polish people--Russia (Federation).
Post-communism--Former Soviet republics.
Post-communism--Russia (Federation)
Russia (Federation)--Politics and government--1991-