4Jeremy Narby and Francis Huxley(eds), Shamans Through Time : 500 Years on the Path to Knowledge. New York:J. P. Tarcher/Putnam, 2000, pp. 12,35.
5Andrei A. Znamenski, The Beauty of the Primitive : Shamanism and the Western Imagination. New York: Oxford University Press,2007 ,p. 36.
6Waldemar Bogoras,"The Chukchi of Northeastern Asia, American Anthropotogist",in Frederica De Laguna and Alfred Irving Hallowell(eds), American Anthropology, 1888-- 1920 : Papers from the American Anthropologist. Nebraska : University of Nebraska Press,2002 ,pp. 460--484.