Columbia subject headings:
Former Soviet republics--Emigration and immigration.
Migration, Internal--Former Soviet republics.
Migration, Internal--Russia (Federation)
Russia (Federation)--Emigration and immigration.
Harvard subject headings:
Former Soviet republics--Emigration and immigration.
Migration, Internal--Russia (Federation)
Russia (Federation)--Emigration and immigration.
Princeton subject headings:
Former Soviet republics--Emigration and immigration.
Migration, Internal--Russia (Federation)
Russia (Federation)--Emigration and immigration.