1. ‘Afīfī, Abūʾl-‘Alā’ (1936). The Mystical Philosophy of Muḥyi’Dīn Ibnul-‘Arabī, Cambridge University Press.
2. Chittick, William (2006). The Psalms of Islam (al-Ṣaḥīfa al-Sajjādīya), Muhammadi Trust of Great Britain.
3. Ali, H. Mukhtar (2022). Philosophical Sufism: An Introduction to the School of Ibn ‘Arabī, Routledge.
4. Ali-de-Unzaga, Omar (2023, January 20). The Conversation between Moses and God (munājāt Mūsā) in the Epistles of the Pure Brethren (Rasāʾil Ikhwān al-Ṣafā)” in Al-Kitāb. La sacralité du texte dans le monde de l’Islam. Actes du Sympsium International Tenu à Leuven et Louvain-la-Neuve du 29 mai au 1 juin 2002, ed. Daniel De Smet, Godefroy de Callataÿ and Jan M.F. van Reeth, Acta Orientalia Belgica. Subsidia III, pp. 371–387. Available online: https://www.academia.edu/2012499/The_Conversation_Between_Moses_and_God_mun%C4%81%C4%9F%C4%81t_M%C5%ABs%C4%81_in_the_Epistles_of_the_Pure_Brethren_Ras%C4%81%CA%BEil_I%E1%B8%ABw%C4%81n_al_%E1%B9%A2af%C4%81_.
5. Goodman Observed;Barnard;New Society,1973