Pototsky, V. “Secular Historiography of Religious Sectarianism in the Kharkiv Province (pre-Soviet period).”. V. N. Karazin Kharkiv National University Bulletin History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences, Vol. 42, May 2026, pp. 121-3, doi:10.26565/2227-6505-2026-42-10.