Ashby, Phillip H. Modern Trends in Hinduism. New York: Columbia University Press, 1974. See Chapter Four "Popular Esoteric Religion: Radha Soami Satsang," pp. 71-90.

Ashby, Phillip H. "The Radhasoami Satsang and Sikhism." Illustrated Weekly of India 90, no. 46 (November 16, 1969): 14.

Babb, Lawrence A. Redemptive Encounters: Three Styles in the Hindu Tradition. Berkeley: University of California Press, 1987.

Barthwal, Pitambar Datt. Traditions of Indian Mysticism Based Upon Nirguna School of Hindi Poetry. New Delhi: Heritage Press, 1978. (Originally presented as the authorís thesis, Benaras HinduUniversity.)

Diem, Andrea Grace. The Gnostic Mystery: A Connection Between Ancient and Modern Mysticism. Walnut: Mt. Sac Philosophy Group, 1992.

Farquhar, John N. Modern Religious Movements in India. Delhi: Munshiram Manoharlal, 1967. (Second edition; originally printed in 1915.)

Gold, Daniel Richard. The Lord as Guru: Hindu Sants in North Indian Tradition. New York: Oxford University Press, 1987.

Grewal, J.S. The Present State of Sikh Studies. Batala: Christian Institute of Sikh Studies, 1973.

Griswold, H.D. The Radha Swami Sect. Kanpur: Cawnpore Mission Press, 1907.

Gupta, Hari R. History of Sikh Gurus. New Delhi: Kapur, 1973.

Juergensmeyer, Mark. "Patterns of Pluralism: Sikh Relations with Radhasoami," in Joseph T. OíConnell et al., Editors, Sikh History and Religion in the Twentieth Century. Toronto: Centre for South Asian Studies, University of Toronto, 1988.

Juergensmeyer, Mark. "Radhasoami as a Transnational Movement," in Jacob Needleman and George Baker, Editors, Understanding the New Religions, pp. 190-200. New York: Seabury Press, 1978.

Juergensmeyer, Mark. Radhasoami Reality. Princeton: Princeton University Press, 1991.

Juergensmeyer, Mark and N. Gerald Barrier, Editors. Sikh Studies: Comparative Perspectives on a Changing Tradition. Berkeley: Graduate Theological Union, 1979.

Kabir. The Bijak of Kabir. Translated by Rev. Ahmad Shah. Hamir Pur, Himchal Pradesh: Pvt. Published, 1971.

Lane, David Christopher. The Radhasoami Tradition: A Critical History of Guru Successorship. New York and London: Garland Publishing, 1992.

Maculiffe, Max. The Sikh Religion: Its Gurus, Sacred Writing and Authors. Vol. 1-6 in three separate books. Oxford: Clarendon Press, 1909.

McLeod, W.H. Early Sikh Tradition: A Study of the Janam-sakhis. Oxford: Clarendon Press, 1980.

McLeod, W.H. The Evolution of the Sikh Religion. Oxford: Clarendon Press, 1976.

McLeod W.H. Guru Nanak and the Sikh Religion. Oxford: Clarendon Press, 1968.

McLeod, W.H. The Sikhs. Oxford: Clarendon Press, 1989.

McLeod, W.H. Who is a Sikh? Oxford: Clarendon Press, 1989.

Orr, W.G. A Sixteenth Century Indian Mystic: Dadu and his Followers. London: Lutterworth Press, 1947.

Schomer, Karine, and McLeod, W.H., Editors. The Sants: Studies in a Devotional Tradition of India. Berkeley and Delhi: Motilal Banarsidass, 1987.

Singh, Gopal. Guru Gobind Singh. New Delhi: National Book Trust, 1966. (Second and revised edition.)

Singh, Gopal, Translator. Guru Granth Sahib. Vol. 1-4. Delhi: Gur Das Kapur & Sons Private Ltd., 1964.

Singh, Khushwant. The History of the Sikhs. Vol. 1-2. London: Oxford University Press, 1963-66.

Tagor, Rabindranath, Translator (with assistance by Evelyn Underhill). One Hundred Poems of Kabir. London: Macmillan and Company, 1961.

Vaudeville, Charolette. Kabir. Oxford: Clarendon Press, 1974.