Among the works he composed in uṣūl (the principles of the faith)—whether undertaken on his own initiative or written in answer to an objector or a questioner—are the following:

1 – Kitāb al-Īmān (The Book of Faith), one volume.
2 – Kitāb al-Istiqāmah (Steadfastness), two volumes.
3 – Jawāb al-Iʿtirāḍāt al-Miṣriyyah ʿalā al-Fatwā al-Ḥamawiyyah (Answer to the Egyptian Objections to the Ḥamawiyyah Fatwa), four volumes.
4 – Al-Jawāb ʿAmmā Awradahu Kamāl al-Dīn al-Sharīshī ʿalā Kitābihi Taʿāruḍ al-ʿAql wa-l-Naql (Response to What Kamāl al-Dīn al-Sharīshī raised against his book “The Conflict of Reason and Revelation”), one volume.
5 – Talbīs al-Jahmiyyah fī Taʾsīs Bidaʿihim al-Kalāmiyyah (The Deceit of the Jahmiyyah in Laying the Foundations of Their Theological Innovations), six volumes.
6 – Darʾ Taʿāruḍ al-ʿAql wa-l-Naql (Averting the Conflict of Reason and Revelation), four volumes.
7 – Minhāj al-Sunnah al-Nabawiyyah fī Naqḍ Kalām al-Shīʿah wa-l-Qadariyyah (The Prophetic Path of the Sunnah in Refuting the Discourse of the Shīʿah and the Qadariyyah), four volumes.
8 – Al-Jawāb al-Ṣaḥīḥ liman Baddala Dīn al-Masīḥ (The Sound Reply to Those Who Altered the Religion of the Messiah), two volumes.
9 – Sharḥ Awwal al-Muḥaṣṣal (Commentary on the Opening of “al-Muḥaṣṣal”), one volume.
10 – Al-Radd ʿalā Ahl Kisrawān al-Rāfiḍah (Refutation of the Rāfiḍī People of Kisrawān), two volumes.
11 – Al-Hūlāqūniyyah, a reply to a question that came in the name of Hūlāgū, king of the Tatars, one volume.
12 – A treatise concerning al-Wasīlah (the means of drawing near to Allah), one volume.
13 – A refutation of al-Bakrī on the subject of istighāthah (seeking intercession), one volume.
14 – Commentary on the opening of the work of al-Ghaznawī in uṣūl al-dīn (principles of religion), a slim volume.
15 – A major work refuting manṭiq (Aristotelian logic), in a large volume.
16 – Sharḥ ʿAqīdat al-Aṣfahānī (Commentary on the Creed of al-Aṣfahānī).