The most significant books that combined the two methods of the Mutakallimeen and the Fuqahaa in Usool ul-Fiqh
1) The book: ‘Badee’ An-Nizhaam’ which combined the Usool of Al Bazdawiy Al-Hanafiy and the Usool of Al-Aamady Ash-Shaafi’iy. The author of ‘Badee’ An-Nizhaam’ was Al-Imaam Al-Muzhafir ud-Deen Ahmad Al-Ba’labakiy Al-Hanafiy who was known as ‘As-Saa’aatiy’ and passed away in the year 694 AH.
2) ‘At-Tanqeeh’ authored by Al-Qaadiy Sadr Ush-Sharee’ah ‘Ubaidullah Al-Bukhaariy Al-Hanafiy who passed away in the year 747 AH and this book summarises a number of books upon both methods.
3) ‘At-Tahreer’ written by Kamaal Ud-Deen Muhammad who is well known as ‘Ibn Ul-Himaam’ the Hanafiy jurist who passed away in the year 861 AH.
4) ‘Muslim Ath-Thuboot’ authored by Al-‘Alaamah Muhibb Ud Deen Bin Abdi-Sh-Shukoor Al-Hindiy who passed away in the year 1119 AH. In the introduction he states that: “It contains the Hanafiy Tareeqah and the Tareeqah of Ash-Shaafi’iy...”