Quotes:Stallo, John Bernhard

Zirkoff, Boris

Stallo. John Bernhard (1823–1900). *The Concepts and Theories of Modern Physics. New York: D. Appleton & Co., 1882; also 1884, 1897.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 8, p. 475