Columbia subject headings:
Bakhrushin, S. V. (Sergeĭ Vladimirovich), 1882-1950.
Siberia (Russia)--Historiography--Congresses.
Siberia (Russia)--History--Congresses.
Harvard subject headings:
Princeton subject headings:
Bakhrushkin, S. V. (Sergeĭ Vladimirovich), 1882-1950.
Siberia (Russia)--Historiography--Congresses.
Siberia (Russia)--History--Congresses.