History and methods of Spiritism (here distinguished from Spiritualism) and the dangers inherent in its practice and beliefs.
http://www.newadvent.org/cathen/14221a.htm
Is the television medium Colin Fry genuine? Sceptic investigates the claims of mediumship and the charges of fraud made in Psychic News.
http://members.lycos.co.uk/colinfry/
Photos, newspaper articles, and other materials documenting stage magician and escape artist Harry Houdini's challenges to mediums and Spiritualism.
http://www.geocities.com/houdinitribute/spiritualism.html
Founder of modern Spiritualism confesses how the movement was built on a lie. [New York World] (October 21, 1888)
http://psychicinvestigator.com/demo/Foxtxt.htm
