Peter Popov.Ethnographic description of the city of Cheboksar with its county.The author is a full -time caretaker of the Chebok...

Peter Popov.Ethnographic description of the city of Cheboksar with its county.The author is a full -time caretaker of the Cheboksary schools.- 1853. -Agreement No. 24 of 02/12/2016 category 14 of the manuscript of the works of members of the Russian Geographical Society and separate documents on the Yekaterinoslav province, case 101..Electronic copy source: PB