This site has e-books about Spiritualism and Andrew Jackson Davis
http://spiritwritings.com/library.html

The Complete e-book of The Principles of Nature (takes a long time to load)
http://www.hti.umich.edu/cgi/t/text/text-idx?c=moa;idno=ACA6166.0001.001

Associations

National Spiritualist Association of Churches (NSAC)
The oldest and largest organization of Modern Spiritualism in the United States of America.
www.nsac.org

Edgar Cayce website
http://www.are-cayce.com

Reprint Sources of Andrew Jackson Davis Books

Kessinger Publishing
http://www.kessingerpub.com/searchresults_orderthebook.lasso?Author=Davis,%20Andrew%20Jackson&Submit=Query

Heath Research Publishing
http://www.healthresearchbooks.com/pages/books_list.php?origin=author&author=Davis,%20Andrew%20Jackson

Radio Interviews on Andrew Jackson Davis by Dr. John

Coast to Coast with George Noory - Monday, May 8, 2006  Coast to Coast
Jeff Rense Show  (3/3/05 and 3/7/05)
X-Zone Program  (3/21/05)