Columbia subject headings:
Harvard subject headings:
Cooperation--Russia (Federation)--Siberia--History--20th century.
Cooperative societies--Russia (Federation)--Siberia--History--20th century.
Siberia (Russia)--Economic conditions.
Princeton subject headings:
Cooperation--Russia (Federation)--Siberia.
Cooperative societies--Russia (Federation)--Siberia.
Siberia (Russia)--Economic conditions.