- [Essays on the
Uriankhai Region] (St. Petersburg, 1910), p. 104. F.Ya. Kon,
Usinskii krai [Usinsk Region] (Krasnoyarsk 1914) pp. 29–38. V.L. Popov, "Vtoroe...
- ("Essays on the
Uriankhai Region".) St. Petersburg, 1910. p. 104. F.Ya. Kon.
Usinskii krai ("Usinsk Region") Krasnoyarsk, 1914. pp. 29-38. V.L. Popov, Vtoroe...