Leonid Gorlenko.The top-ethnographic description of the town of Tsarichaka with the environs of it.Signed: G. Kobelyak.

Leonid Gorlenko.The top-ethnographic description of the town of Tsarichaka with the environs of it.Signed: G. Kobelyak.- 1857. -Agreement No. 24 of 02/12/2016 category 31 manuscripts of the works of members of the Russian Geographical Society and separate documents on the Poltava province, case 11..Electronic copy source: PB