Quotes:New American Cyclopaedia
Boris de Zirkoff
*New American Cyclopaedia, 1858-63', 16 vols.; edited by Geo. Ripley and Chas. A. Dana. New edition, as American Cyclopaedia, 1873-76, 16 vols., was prepared by the same editors.
Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 1, p. 502