How One Man Used a Deck of Cards to Make Parapsychology a Science - Atlas Obscura
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Zener ESP cards, designed in the 1930's by Karn Zener 1903-1963 for use in extra sensory perception..., Stock Photo, Picture And Rights Managed Image. Pic. C03-750394 | agefotostock
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ZenerPhobia by Steve Sanders : Lybrary.com
How One Man Used a Deck of Cards to Make Parapsychology a Science - Atlas Obscura
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