(1) Kifayatul ‘usul by Aakhun-de Khurasani.

(2) ‘usul Al- Fiqh by Al-shaykh Muhammad Raza Al-muzaffar.

3. Ibtal Al-qiyas by Ibn Hazm.
4. Al-mustasfa by Al-ghazali.
5. A-’uddah by Al-shaykh Al-tusi
6. ‘usul Al-kafi
7. Al-mantiq by Al-shaykh Muhammad Raza Al-muzaffar
8. Al-saqifa by Al-Shaykh Muhammad Raza Al-muzaffar
9. Elements of logic by Jevon- Hill
10. Milal wan nihal of ‘abdul Karim Al- Shahristani.
11. The Holy Quran.