• H. Algar, “Allāma Sayyid Muḥammad Ḥusayn Ṭabāṭabā'ī: Philosopher, Exegete, and Gnostic,” Journal of Islamic Studies 17 (2006), 326-51.

• W. Chittick (ed.), The Essential Seyyed Hossein Nasr (Bloomington: 2007).

• L.E. Hahn, R. E. Auxier and LW. Stone (eds), The Philosophy of Seyyed Hossein Nasr (Chicago: 2001).

• M. Mohaghegh and T. Izutsu, The Metaphysics of Sabzavārī (Delmar NY: 1977).

• R. Pourjavady (ed.), Philosophy in Qajar Iran (Leiden: 2019).

• S. Rizvi, “Hikma mutaʿaliya in Qajar Iran: Locating the Life and Work of Mulla Hadi Sabzawari (d.1289/1873),” Iranian Studies 44 (2011), 473-96.

• S. Rizvi, “‘Only the Imam Knows Best’: the Maktab-e Tafkīk’s Attack on the Legitimacy of Philosophy in Iran,” Journal of the Royal Asiatic Society 22 (2012), 487-503.