1. Alexeev I. L. History as an Islamic Science: Marjani and Ibn Khaldun. Islamology. 2019. Vol. 9, pp. 25–32 (in Russian).
2. Akhmadullin S.Z. Presenting History of the Bashkirs in Mustafad al-Akhbar by Shihab al-Din Marjani and Talfiq al-akhbar by Murad Ramzi: Its Source Database and Methodological Approaches. Istoricheskie, filosofskie, politicheskie i iuridicheskie nauki, kul’turologiia i iskusstvovedenie. Voprosy teorii i praktiki [Historical, Philosophical, Political and Legal Scholarship, Cultural Studies and Art Criticism. Questions of Theory and Practice]. 2017. No. 6-1(80), pp. 18–22 (in Russian).
3. Akhmadullin S. Z. Talfiq al-akhbar by Murad Ramzi as a Source for History of the Bashkirs. PhD Dissertation… in History. Moscow: Institute of Russian History, 2019 (in Russian).
4. Bartol’d V. V. Musul’manskii mir [The Muslim World]. In: Bartol’d V. V. Sochineniia [Collected Works]. Vol. 6. Moscow: Nauka, 1966, pp. 207–297 (in Russian).
5. Gainutdinov D. M. Controversies among the Tatars about Their Ethnogenesis in the 18th–19th Centuries: “Muslim”, “Bulgar” and Tatar Identification. Vestnik KazGUKI [Newsletter of the Kazan State University of Culture and Arts]. 2015. No. 4–1, pp. 20–24 (in Russian).