Ruegg, David Seyfort. Buddha-nature, Mind and the Problem of Gradualism in a Comparative Perspective: On the Transmission and Reception of Buddhism in India and Tibet. London: University of London, 1989.
Ruegg. "The Jo-nang-pas: A School of Buddhist Ontologists According to the Grub-mtha' shel-gyi me-long." Journal of the American Oriental Society vol. 83 73-91.
Ruegg. La Theorie du Tathagatagarbha et du Gotra: Etude sur la soteriologie et la gnoseologie du bouddhisme. Paris: Ecole Francaise d'Extreme-Orient, 1969.
Ruegg, D.S., trans. Le Traite du Tathagatagarbha de Bu-ston Rin-chen grub. Paris: Ecole Francaise d'Extreme-Orient, 1973.
Ryan, Charles J. H. P. Blavatsky and the Theosophical Movement: a brief historical sketch. (Point Loma, CA: Theosophical University Press, 1937).
Schlagintweit, Emil. Buddhism in Tibet. Leipzig: F.A. Brockhaus; London: Trubner, 1863.
Schmithausen, L. "Zu D. Seyfort Ruegg's Buch 'La Theorie du Tathagatagarbha et du Gotra'." Wiener Zeitschrift fur die Kunde Sudasiens Und Archiv fur Indische Philosophie vol. 17 pp. 123-160.
Schopen, Gregory. "The Inscription on the Kusan Image of Amitabha abd the Character of the Early Mahayana in India." Journal of the International Association of Buddhist Studies, vol. 10 no. 2, pp. 99-135.
Sinnett, A.P., ed. Incidents in the life of Madame Blavatsky, compiled from informatiom supplied by her relatives and friends. London: G. Redway, 1886.
Society for Psychical Research. "Report of the Committee Appointed to Investigate Phenomena Connected with The Theosophical Society," Proceedings of the Society for Psychical Research, vol. III, London, 1885, pp. 201-400. Reprinted in Webb, James, ed. The Society for Psychical Research Report on the Theosophical Society. New York: Ayer Co., 1976.
Solovyoff, Vsevolod S. A Modern Priestess of Isis. Abridged and translated on Behalf of the Society for Psychical Research from the Russian by Walter Leaf. 1st edition 1895. New York: Ayer Co., 1976.
Spierenburg, H.J. The Inner Group Teachings of H.P. Blavatsky to her personal pupils (1890-91). San Diego: Point Loma Publications, 1985.
Spierenburg, H.J., ed. The Buddhism of H.P. Blavatsky. San Diego: Point Loma Publications, 1991.
Strickman, Michel. "A Survey of Tibetan Buddhist Studies." Eastern Buddhist 10: 128-49 (1977).
Symonds, John. The lady with the magic eyes: Madame Blavatsky, medium and magician. New York: T. Yoseloff, 1960.
Takasaki, Jikido. "The Tathagatotpattisambhava-nirdesa of the Avatamsaka and the Ratnagotravibhaga." Journal of Indian and Buddhist Studies (Tokyo) vol. 7. no. 148-53.
Takasaki. A Study of the Ratnagotravibhaga (Uttaratantra). Rome: Instituto Italiano per il Medio ed Estremo Oriente, 1966.
Theosophy Company. Five Years of Theosophy: Mystical, Philosophical, Theosophical, Historical and Scientific Essays. First edition 1885. Reprint Los Angeles: Theosophy Company, 1980.
Theosophy Company. The Theosophical Movement 1875-1950. Los Angeles: Cunningham Press, 1951.
Thondup, Tulku. Hidden Teachings of Tibet: An Explanation of the Terma Tradition of the Nyingma School of Buddhism. London: Wisdom Publications, 1986.
Thurman, Robert. Essential Tibetan Buddhism. (San Francisco: Harper San Francisco, 1995. [sympathetic to Buddhism]
Thurman. The Tibetan Book of the Dead: Liberation through Understanding in the Between. New York: Bantam, 1994.
Vania, K.F. Madame H.P. Blavatsky: her occult phenomena and the Society for Psychical Research. Bombay, India: Sat Pub. Co., 1951.
Wachtmeister, Constance. Reminiscences of H. P. Blavatsky and The Secret Doctrine. London: Theosophical publishing society, 1893.
Waddell, L. Austine. Tibetan Buddhism, With Its Mystic Cults, Symbolism and Mythology, and in Its Relation to Indian Budhdism. New York: Dover Publications, 1972. (Originally titled The Buddhism of Tibet, 1895.)
Washington, Peter. Madame Blavatsky's Baboon: a history of the mystics, mediums, and misfits who brought spiritualism to America. New York: Schocken Books, 1995.
Wayman, Alex. Calming the Mind and Discerning the Real. New York: Columbia University, 1978.
Wayman. The Buddhist Tantras: Light on Indo-Tibetan Esotericism. Reprint. Delhi: Motilal Banarsidass, 1993.
Wayman, Alex and Hideko Wayman, trans. The Lion's Roar of Queen Srimala: A Buddhist Scripture on the Tathagatagarbha Theory. New York: Columbia Press, 1974.
Williams, Gertrude Leavenworth Marvin. Madame Blavatsky, Priestess of the Occult. New York: Lancer Books, 1946.
Williams, Paul. Mahayana Buddhism: The Doctrinal Foundations. New York: Routledge, 1989.