Columbia subject headings:
Kalinin, M. I. (Mikhail Ivanovich)
Okti͡abrʹskai͡a revoli͡ut͡sii͡a (Railroad train)
Orenburgskai︠a︡ oblastʹ (Russia)--History.
Harvard subject headings:
Kalinin, M. I. (Mikhail Ivanovich), 1875-1946.
Princeton subject headings: