ISBN 1-932595-10-4* Gruss, Edmond C., "The Ouija Board: A Doorway to the Occult" 1994 ISBN 0-87552-247-5* Hunt, Stoker, "Ouija: The Most Dangerous Game.
* Cornelious, J. Edward, "Aleister Crowley and the Ouija Board" 2005 ISBN 1-932595-10-4, ISBN 978-1-932595-10-9* Gruss, Edmond C., "The Ouija Board: A Doorway to the Occult" 1994 ISBN 0-87552-247-5* Hunt, Stoker, "Ouija: The Most Dangerous Game.