Report on a trip made in the summer of 1902 to the Western Sayans and the western part of the Tannu-Ola ridge / VA. Oshurkov. - St. Petersburg: type. A.V. Orlova, 1906. - 184 p.,  l. kart. ; 26. - (Notes of the Krasnoyarsk sub-department of the East Siberian Division of the Russian Geographical Society, on physical geography, T. 1. Issue 1)
1. Territory of Russia: Tyva, Republic (collection). 2. Tyva, Republic: pages of history (collection).