1. Antusheva, Еlena. K etimologii khristianskoi leksiki. Diss. na soiskanie stepeni magister artium po russkomu iazyku [On the Etymology of Christian Vocabulary]. Tartu: Universitet, 2005 (in Russian).
2. Aphraate le Sage Persan, Les Exposés. Tome I: Exposés I-X; Tome II: Exposés XI-XXIII. Traduction du syriaque, introduction, notes et index par Marie-Joseph Pierre. Paris: Cerf, 1988 et 1989 (= Sources chrétiennes, 349 et 359) (in French).
3. Burton, Ernest De Witt. A Critical and Exegetical Commentary on the Epistle to the Galatians. New York: Ch. Scribner’s Sons, 1920 (in English).
4. Khosroev, Alexandr L. Istoriia manikheistva (Prolegomena) [History of Manichaeanism (Prolegomenon)]. St. Petersburg: Filolog. fakultet, 2007 (in Russian).
5. Khosroev, Alexandr L. Drugoie blagovestie II. Kristianskie gnostiki II–III vv.: ikh vera i sochineniia [A Different Gospel II. Christian Gnostics of the 2–3 Centuries: Their Beliefs and Texts]. St. Petersburg: Kontrast, 2016 (in Russian).