„Diliyan Nikolchev: Exarch Stephan Underthe “care” of the Communist Security Services, Sofia: Military Publishing House 2016, 463 Pp“. Forum Theologicum Sardicense, no. 2 (Май 23, 2025): 231–237. отворен на Октомври 15, 2025. https://periodicals.uni-sofia.bg/index.php/forum-theologicum-sardicense/article/view/579.