The 1919 Post Office Investigation of the Yogi Publication Society and Advanced Thought Publishing Company
The Post Office investigation into the Advanced Thought Publishing Company and the Yogi Publication Society.
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Explore advertisements, catalogs, photographs, articles, documents, and other primary materials related to the Yogi Publication Society and its affiliated publishing network.
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William Walker Atkinson’s First Published Work: The Four-Part Series in Herbert A. Parkyn’s Suggestion Magazine
The four-part series that marks William Walker Atkinson's first published contribution to the New Thought movement and his public debut as a writer within Dr. Herbert A. Parkyn's circle.
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A Mail Course in Suggestive Therapeutics and Hypnotism
Parkyn's 1898 blueprint for his network, A Mail Course in Suggestive Therapeutics and Hypnotism.
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Parkyn’s “Astra” series in Suggestion magazine
The full "Occult World" series written by Parkyn under the pseudonym of Astra.
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The Journal of Magnetism
These are the first and only copies of The Journal of Magnetism available anywhere online. (as of July 2026) The Journal of Magnetism held a unique, though often overlooked, role in the early New Thought movement. It ran from late 1900 to early 1902, taking over after Suggestive Therapeutics lost its second-class mailing status. While […]
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William Walker Atkinson’s Opening Article in New Thought Magazine, December 1901
Presented here for the first time is the complete text of William Walker Atkinson’s article “A Fore Word,” published in the December 1901 issue of The Journal of Magnetism. Complete copies of this important early article have remained inaccessible, and the full three-page text has never previously been published online. As a result, readers have […]
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Auto-Suggestion: What It Is and How to Use It for Health, Happiness and Success
Parkyn's 1905 book on Auto-Suggestion
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Thought-Force in Business and Everyday Life: A Series of Lessons in Personal Magnetism, Psychic Influence, Thought-Force, Concentration, Will-Power, and Practical Mental Science
Thought-Force in Business and Everyday Life follows Parkyn's Teachings
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Science of Breath Advertisement
Full page advertisement for Science of Breath by Yogi Ramacharaka in Suggestion magazine Aug. 1904
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Suggestive Therapeutics is Investigated by Postal Authorities
The 1900 postal investigation that ended Suggestive Therapeutics magazine.
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“Breathing Exercises and Auto-Suggestion” by Herbert A. Parkyn in Suggestion, May 1904
Parkyn's promotion for The Hindu-Yogi Science of Breath by Yogi Ramacharaka.
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