Quotes:Schaff, Philipp
Zirkoff, Boris
Schaff, Philipp (1819-1893). *A History of the Creeds of Christendom, with translations. London, 1877. 3 vols. 8vo. Also in the Theological and Philosophical Library, etc., 1872, etc.
Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 10, p. 427