ZUBKO, O. Ukrainian detective (Soviet and emigre): History and pragmatics (1920-1930). RETRACTED 21.03.2025: RETRACTED 21.03.2025. V. N. Karazin Kharkiv National University Bulletin ‘History of Ukraine. Ukrainian Studies: Historical and Philosophical Sciences’, v. 38, p. 31-40, 23 Jun. 2024.