Чорний, Дмитро. 2019. “The Kharkiv Governorate Provincial Cities Population (1861-1917)”. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’ 28 (October), 41-48. https://doi.org/10.26565/2227-6505-2019-28-06.