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      Knowledge is Power

      Scientific American April 1923

      Current Psychic Investigation in Europe

      Statements from Well-Known Psychic Workers, Baron von Schrenck Notzing and Mme. Bisson

      • By A. Gradenwitz on April 1, 1923

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      More in the April 1923 issue of Scientific American
      • A New Version of the Revolving Stage Idea
      • Bombs and Bomb Plots
      • Fulfilling The Washington Naval Treaty
      View Full Contents
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