Ephemera 
Primary sources for the historical study of 19th century American Spiritualism.
http://www.spirithistory.comSpiritualism from Anomalies
Historical overview.
http://anomalyinfo.com/articles/ga00005.shtml
Beyond the Grave
A brief history of spirit photography sponsored by the American Philosophical Society Library.
http://www.amphilsoc.org/library/exhibits/spirits/index.htm
In Search of the Fur Bat
Village Voice article on spiritualist Thomas Welton Stanford (as in Stanford University) and the history of psychical research.
http://www.villagevoice.com/issues/0015/lafarge.php
Karl Marx and Friedrich Engels about occultism
Karl Marx and Friedrich Engels on Spiritualism and Theosophy (Blavatsky and Besant).
http://www.stelling.nl/simpos/marxthh.htm
A Willing Suspension of Disbelief: Victorian Reactions to the Spiritualist Phenomena
Article by Candace Gregory in Loyola University's Student Historical Journal.
http://www.loyno.edu/~history/journal/1989-0/gregory.htm
Ghosts and Spirits of Spiritualism
A gallery of ghost phenomenon and spirit photography.
http://www.spiritualists.org/
The History of Spiritualism
The History of Spiritualism by Sir Arthur Conan Doyle.
http://www.spiritualist.tv/spiritualism/history/
