Al-Muwatta – Imam Malik 

al-Umm – Imam al-Shafi'i 

Al-Risalah – Imam al-Shafi’i

Al-Mustasfa fi Ilm al-Usul – Imam al-Ghazali

Al-Mughni – Ibn Qudamah 

Al-Halal wa al-Haram fi al-Islam,Yusuf al-Qaradawi