RAZYHRAYEV, O. and MALEONCHUK, G. 2023. FROM THE HISTORY OF THE POLISH CIVIL SPECIAL SERVICES IN THE TERRITORY OF INTERWAR VOLHYNIA AND GALICIA: DEPARTMENT IV–D AND ITS ORGANIZATIONAL STRUCTURE (1920 – 1923). EAST EUROPEAN HISTORICAL BULLETIN. 29 (Dec. 2023), 121–129. DOI:https://doi.org/10.24919/2519-058X.29.292942.