Columbia subject headings:
Harvard subject headings:
Archives--Russia (Federation)--Siberia.
Irkutsk (Russia)--History--Sources.
Siberia (Russia)--Church history.
Siberia (Russia)--History--Sources.
Princeton subject headings:
Archives--Russia (Federation)--Siberia.
Irkutsk (Russia)--History--Sources.
Siberia (Russia)--Church history.
Siberia (Russia)--History--Sources.