The land surveyor Losievsky.Chuvash songs collected from Chuvash of the Boguslan district.Signed: mountains.Ufa.

The land surveyor Losievsky.Chuvash songs collected from Chuvash of the Boguslan district.Signed: mountains.Ufa.- -.-[1850s] Agreement No. 24 of 02/12/2016 category 34 manuscripts of the works of members of the Russian Geographical Society and individual documents in the Samara province, case 23..Electronic copy source: PB