Some works of Usul al-Fiqh according to the Madhhab of the Hanabilah - all published.

Tahdhib al-Ajwiba, by Ibn Hamid (d.403)

al-Risalah fi Usul al-Fiqh, by Ibn Shihab al-'Ukbari (d.428)

al-'Uddah fi Usul al-Fiqh, by Qadi Abu Ya'la b. al-Farra' (d.458)

[al-Masa'il al-Usuliyyah min Kitab]al-Riwayatayn wa'l-Wajhayn, Qadi Abu Ya'la b. al-Farra' (d.458)

al-Wadih fi Usul al-Fiqh, by Abu'l-Wafa b. 'Aqil (d.513)

al-Tadhkirah fi'l-Fiqh 'ala Madhhab al-Imam Ahmad b. Muhammad b. Hanbal, Abu'l-Wafa b. 'Aqil (d.513)

Kitab al-Jadal 'ala Tariqat al-Fuqaha al-Dhahir, Abu'l-Wafa b. 'Aqil (d.513)

al-Wusul ila'l-Usul, by Ibn Barhan al-Baghdadi (d.518)

al-Tamhid fi Usul al-Fiqh, by Abu'l-Khattab al-Kalwadhani (d.510)

al-Intisar fi'l-Masa'il al-Kibar 'ala Madhhab al-Imam Ahmad b. Hanbal, Abu'l-Khattab al-Kalwadhani (d.510)

Rawdat al-Nadhir wa-Jannat al-Munazir, by Ibn Qudamah al-Maqdisi (d.620)

al-Bulbul fi Usul al-Fiqh = Mukhtasar Rawdat al-Nadhir, by Sulayman al-Tufi (d.715)

al-Musawwadah fi Usul al-Fiqh, by the three Shuyukh al-Islam: Majd al-Din b. Taymiyyah, Shihab al-Din b. Taymiyyah and Taqi al-Din b. Taymiyyah

Sihhat Usul Madhab Ahl al-Madina, by Ibn Taymiyyah (d.728)

al-Ma'arij al-Wusul ila Ma'rifa anna al-Nabiy qad Bayyana al-Usul, Ibn Taymiyyah (d.728)

Kitab Usul al-Fiqh (in Majmu' al-Fatawa), Ibn Taymiyyah (d.728)

Dar' al-Ta'arrud al-'Aql wa'l-Naql, Ibn Taymiyyah (d.728)

Maqasid al-Shari'ah, Ibn Taymiyyah (d.728)

I'lam al-Muwaqqi'in 'an Rabb al-'Alamin, by Ibn al-Qayyim al-Jawziyyah (d.753)

Adab al-Shar'iyyah, by Ibn Muflih (d.763)

Qawa'id al-Usuliyyah, by Ibn Lahham al-Ba'li (d.803)

Mukhtasar fi Usul al-Fiqh 'ala Madhhab Ahmad, Ibn Lahham al-Ba'li (d.803)

Tahrir al-Manqul wa-Tahdhib 'Ilm al-Usul, by al-Mardawi (d.885)

Muqaddimat al-Tahbir Sarh al-Tahrir fi Usul al-Fiqh al-Hanbali, al-Mardawi (d.885)

al-Qawa'id al-Kulliyyah wa-dawabit al-Fiqhiyyah, by Yusuf b. Abd al-Hadi known as Ibn al-Mabrid (d.909)

Sarh Ghayat al-Sul ila 'Ilm al-Usul, Yusuf b. Abd al-Hadi known as Ibn al-Mabrid (d.909)

Mukhtasar al-Tahrir fi Usul al-Fiqh (known as: Sarh Kawakib al-Munir), by Taqi al-Din Ibn al-Najjar (d.971)