Abū Isḥāq Ibrāhīm ibn ʻAlī ibn Yūsuf Fīrūzabādī al-Shīrāzī

ca. 1003 – 1083

• Kitāb al-lumaʻ fī uṣūl al-fiqh
• Kitāb Nukat al-masāʼil al-maḥdhūf minhu ʻuyūn al-dalāʼil
• Kitāb al-maʻūnah fī al-jadal
• Sharḥ al-Lumaʻ fī uṣūl al-fiqh