K.A. Krasnoperov.Songs and conspiracies recorded in Roslavl district.And the application on separate sheets.

K.A. Krasnoperov.Songs and conspiracies recorded in Roslavl district.And the application on separate sheets.- 1894. -Agreement No. 24 of 02/12/2016 category 38 manuscript of the works of members of the Russian Geographical Society and separate documents in the Smolensk province, case 21..Electronic copy source: PB