Poptodorov, Radko. “Diliyan Nikolchev: Exarch Stephan Underthe ‘care’ of the Communist Security Services, Sofia: Military Publishing House 2016, 463 Pp”. Forum Theologicum Sardicense, no. 2, May 2025, pp. 231-7, https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/579.