T.V.Kibalchich.The conspiracies and sciences of the South Russian people are collected in the Chernihiv, Poltava and Kyiv provin...

T.V.Kibalchich.The conspiracies and sciences of the South Russian people are collected in the Chernihiv, Poltava and Kyiv provinces.- -.-1872-1880 Agreement No. 24 of 02/12/2016 category 46 of the manuscript of the works of members of the Russian Geographical Society and individual documents in the Chernihiv province, case 22..Electronic copy source: PB