1. Al-Nasai. Rasa’il fi ‘ulum al-hadith [Treatises in Hadith Studies]. Beirut: Muassasat al-kutub al-thaqafiyya Press; 1985. 76 р. (In Arabic)
2. Ibn Hibban. al-Majruhin [The Rejected]. Vol. 3. Aleppo: Dar al-wa‘y; 1976. 118 р. (In Arabic)
3. Abu Yusuf Yakub b. Ibrahim al-Kufi. Kitab al-kharaj [Book of taxation]. SaintPetersburg: Petersburg Oriental Studies Press; 2001. XXXIII + 415 р. (In Russian)
4. Abu Zuhra M. Abu Hanifa. Cairo: Dar al-fikr al-‘arabi Press; 1947. 479 р. (In Arabic)
5. Schacht J. The Origins of Muhammadan Jurisprudence. Oxford: Clarendon Press; 1950. 348 р.