Quotes:Theosophia (periodical)
Zirkoff, Boris
Theosophia. Published first bi-monthly and later quarterly, Los Angeles, Calif., May-June, 1944, etc. In progress. Sponsored by an international group of Theosophists.
Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 6, p. 451