Quotes:Cooper-Oakley, Alfred John
Zirkoff, Boris
Cooper-Oakley, A. J. *“Sankhya and Yoga Philosophy,” lecture before the Convention of the Theos. Society, Adyar, India, December, 1887; publ. in The Theosophist, Vol. IX, March, 1888, pp. 342-56.
Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 9, p. 410