Holy.Alexander Biryukov.Ethnographic information about the inhabitants of the Verkhne-Ufaleysky Plant.

Holy.Alexander Biryukov.Ethnographic information about the inhabitants of the Verkhne-Ufaleysky Plant.- 1849. -Agreement No. 24 of 02/12/2016 category 29 of the manuscript of the works of members of the Russian Geographical Society and separate documents in the Perm province, case 27..Electronic copy source: PB