Chapter on Margery in Nandor Fodor's book These Mysterious People.

After sitting with the medium and committee of experts from the Scientific American, Houdini published this expose of Margery.

Margery the Medium became famous for the strange events that happened at her seances, including sticky white ectoplasm flowing out of her body and the dis-embodied voice of her dead brother speaking through her.

Brief discussion on Mina Crandon, Boston's most noted and notorious physical medium.

Article by Massimo Polidoro, author of Final Seance: The Story of the Strange Friendship Between Houdini and Conan Doyle.

Mina Crandon's followers believed she had genuine paranormal powers. Harry Houdini was equally certain she was a fraud. An article for American History Magazine.

Haunted Museum page on Mina Crandon, known as "Margery," a Boston medium who found herself embroiled in one of the most bitter controversies in American psychic research.

Article by Michael Prescott.