Faivre 2000, p. 12; Åkerman 1998, p. 53–55. Faivre, Antoine (2000). Theosophy, Imagination, Tradition: Studies in Western Esotericism. SUNY Press. p. 12. ISBN9780791444368.Franklin, J. Jeffrey (2018). Spirit Matters: Occult Beliefs, Alternative Religions, and the Crisis of Faith in Victorian Britain. Ithaca and London: Cornell University Press. ISBN9781501715440. Åkerman, Susanna (1998). Rose Cross Over the Baltic: The Spread of Rosicrucianism in Northern Europe. Brill. ISBN9004110305.
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Taves 1985, p. 153. Taves, Brian (1985). "Philosophy Into Popular Fiction: Talbot Mundy and The Theosophical Society". Southern California Quarterly. 67 (2): 153–186. doi:10.2307/41171147. JSTOR41171147.
Taves 1985, pp. 157–159. Taves, Brian (1985). "Philosophy Into Popular Fiction: Talbot Mundy and The Theosophical Society". Southern California Quarterly. 67 (2): 153–186. doi:10.2307/41171147. JSTOR41171147.
Taves 1985, p. 153. Taves, Brian (1985). "Philosophy Into Popular Fiction: Talbot Mundy and The Theosophical Society". Southern California Quarterly. 67 (2): 153–186. doi:10.2307/41171147. JSTOR41171147.
Taves 1985, pp. 157–159. Taves, Brian (1985). "Philosophy Into Popular Fiction: Talbot Mundy and The Theosophical Society". Southern California Quarterly. 67 (2): 153–186. doi:10.2307/41171147. JSTOR41171147.