Church policy of Hetman I. Mazepa von O. Heida

Volltext

Elections to the Chernihiv Duma in 1909 on the pages of the local satirical periodicals von O. Heida

Volltext

People of the old Hetman region: sketches for the genealogy of the Kochenovsky family von O. Heida

Volltext

Personal Fund of Dmytro Panasovytch Bochkov in the State Archive of Chernihiv Region von O. Heida

Volltext

Epistolary of Yevheniya Spaska and Ivan Spaskiy in the personal fund of Dmytro Bochkov von O. Heida

Volltext