Vladimir Losievsky.Water sparrows operating in the Birsk district of the Ufa province along the Bire River.

Vladimir Losievsky.Water sparrows operating in the Birsk district of the Ufa province along the Bire River.- -.-03/23/1852 Agreement No. 24 of 02/12/2016 category 43 manuscript of the works of members of the Russian Geographical Society and individual documents in the Ufa province, case 9..Electronic copy source: PB