Columbia subject headings:
Agriculture--Economic aspects--Russia (Federation)--Siberia--Congresses.
Siberia (Russia)--Rural conditions--Congresses.
Harvard subject headings:
Agriculture--Economic aspects--Russia (Federation)--Siberia--Congresses.
Siberia (Russia)--Rural conditions--Congresses.
Princeton subject headings:
Agriculture--Russia (Federation)--Siberia--History--Congresses.
Siberia (Russia)--Rural conditions--Congresses.