Mullin, Glenn H. (2001). The Fourteen Dalai Lamas: A Sacred Legacy of Reincarnation. Clear Light Publishers. Santa Fe, New Mexico. ISBN 1-57416-092-3.
Norbu, Namkhai, "Bon and Bonpos", in: Tibetan Review (December 1980).
Norbu, Thubten Jigme; Turnbull, Colin M., Tibet: An account of the history, the religion and the people of Tibet. Touchstone Books, New York (1968). ISBN 0-671-20559-5.
Richardson, Hugh E., Tibet and its History, Shambhala, Boston & London (1984). ISBN 0-87773-376-7.
Sheel, R.N. Rahul, "The Institution of the Dalai Lama", in: The Tibet Journal Vol. XIV, No. 3, (Autumn, 1989), p.30.
Stein, R. A., Tibetan Civilization, Stanford University Press (1972). ISBN 0-8047-0901-7.