E.P.Savostyanov.Pechora Territory, Ustsysolsky district of the Vologda province.The manuscript was no earlier than 1900 and no l...

E.P.Savostyanov.Pechora Territory, Ustsysolsky district of the Vologda province.The manuscript was no earlier than 1900 and no later than 1903 -.-Agreement No. 24 of 02/12/2016 category 7 of the manuscript of the works of members of the Russian Geographical Society and separate documents in the Vologda province, case 98..Electronic copy source: PB