Columbia subject headings:
Harvard subject headings:
Forced labor--Soviet Union--Congresses.
Russia, Northern--Economic conditions--Congresses.
Ural Mountains Region (Russia)--Economic conditions--Congresses.
Victims of state-sponsored terrorism--Soviet Union--Congresses.
Princeton subject headings:
Forced labor--Russia (Federation)--Ural Mountains Region--History--Congresses.
Forced labor--Russia, Northern--History--Congresses.
Forced migration--Russia (Federation)--Ural Mountains Region--History--Congresses.
Forced migration--Russia, Northern--History--Congresses.
Russia, Northern--Economic conditions--Congresses.
Ural Mountains Region (Russia)--Economic conditions--Congresses.