Aṣl al-usūl fī bayān mutābiqat al-kashf bi-almaḥqūl wa al-manqūl - Sayyid Shāh ʻAbd al-Qādir Mihrbān Fakhrī, 1730 or 31-1789 or 90 (Madras University Islamic series, 1959)
On sufism.