Quotes:Knowledge

Zirkoff, Boris

Knowledge. Illustrated magazine of Science, conducted by R. A. Proctor. London, 1881-1917.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 6, p. 450

Knowledge. Illustrated magazine of Science, conducted by R. A. Proctor. London, 1881–1917.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 8, p. 479