Quotes:Tait, Peter Guthrie

Zirkoff, Boris

Stewart, Balfour (1828-1887), and Peter Guthrie Tait (1831-1901). *The Unseen Universe, or, Physical Speculations on a Future State. First ed. publ. anonymously. London: 1875. 3rd ed. New York: Macmillan, 1875.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 5, p. 382

Stewart, Balfour (1828-1887), and Peter Guthrie Tait (1831-1901). *The Unseen Universe, or, Physical Speculations on a Future State. First ed. publ. anonymously. London, 1875; 3rd ed., New York: Macmillan, 1875.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 6, p. 446