1. Aurobindo, Sri. 1997-Forthcoming (various dates). The Complete Works of Sri Aurobindo (CWSA), 38 volumes. Puducherry: Sri Aurobindo Ashram Press.
2. Donkin, W. (1988). Wayfarers: Meher Baba with the God-Intoxicated. Sheriar Press.
3. Godman, D. (2017). Be As You Are: The Teachings of Sri Ramana Maharshi. Penguin Books.
4. Gupta, M. (1992). The Gospel of Sri Ramakrishna. Translated by Svāmī Nikhilānanda. New York: Ramakrishna-Vivekananda Center.
5. Irani, B. J., Desai, S. M. (2020). Upasni Maharaj: A Perfect Master of India. Translated by Anurag Gumastha. Edited by Murshida Carol Weyland Conner, Gabriel Cavagnaro, Eleanore Lambert, and Henry Mindlin. Walnut Creek, CA: Sufism Reoriented.