Catholic Encyclopedia: Spiritism - History and methods of Spiritism (here distinguished from Spiritualism) and the dangers inherent in its practice and beliefs.
Exposing Spiritualism - Photos, newspaper articles, and other materials documenting stage magician and escape artist Harry Houdini's challenges to mediums and Spiritualism.
Colin Fry medium for Living TV - Is the television medium Colin Fry genuine? Sceptic investigates the claims of mediumship and the charges of fraud made in Psychic News.
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