Khayr Allāh Isṭifān

• Sabīl al-wuṣūl ilá al-uṣūl, aw, al-Fuṣūl al-bayyināt fī uṣūl al-kāʾināt
• Ṣafwat ʻilm al-yaqīn fī ḥaqīqat madhhab Darwīn