Columbia subject headings:
Natural resources--Russia (Federation)--Russian Far East.
Natural resources--Russia (Federation)--Siberia.
Russian Far East (Russia)--Economic conditions--Congresses.
Russian Far East (Russia)--Social conditions--Congresses.
Siberia (Russia)--Economic conditions--Congresses.
Siberia (Russia)--Social conditions--Congresses.
Working class--Russia (Federation)--Russian Far East--Congresses.
Working class--Russia (Federation)--Siberia--Congresses.
Harvard subject headings:
Natural resources--Russia (Federation)--Russian Far East.
Natural resources--Russia (Federation)--Siberia
Russian Far East (Russia)--Economic conditions--Congresses.
Russian Far East (Russia)--Social conditions--Congresses.
Siberia (Russia)--Economic conditions--Congresses.
Siberia (Russia)--Social conditions--Congresses.
Working class--Russia (Federation)--Russian Far East--Congresses.
Working class--Russia (Federation)--Siberia--Congresses.
Princeton subject headings: