Quotes:Ulrici, Dr. Hermann

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Zirkoff, Boris

Ulrici, Dr. Hermann (1806-84). *Über den Spiritismus als wissen-schajtliche Frage (Spiritualism as a Scientific Question), Halle, 1879.

Source: Boris de Zirkoff, «H. P. Blavatsky Collected Writings», vol. 2, p. 547