Columbia subject headings:
Russian Far East (Russia)--Emigration and immigration--Congresses.
Siberia (Russia)--Emigration and immigration--Congresses.
Harvard subject headings:
Asia, Central--Emigration and immigration--Congresses.
Foreign workers--Asia, Central--Congresses.
Foreign workers--Russia (Federation)--Russian Far East--Congresses.
Foreign workers--Russia (Federation)--Siberia--Congresses.
Russian Far East (Russia)--Emigration and immigration--Congresses.
Siberia (Russia)--Emigration and immigration--Congresses.
Princeton subject headings:
Asia, Central--Emigration and immigration--Congresses.
Foreign workers--Asia, Central--Congresses.
Foreign workers--Russia (Federation)--Russian Far East--Congresses.
Foreign workers--Russia (Federation)--Siberia--Congresses.
Russian Far East (Russia)--Emigration and immigration--Congresses.
Siberia (Russia)--Emigration and immigration--Congresses.