Henry Ridgely Evans

Hours With the Ghosts or Nineteenth century witchcraft. Illustrated investigations into the phenomena of spiritualism and theosophy 

Laird & Lee Publishers, Chicago 1897.

David Phelps Abbott

Behind the Scenes With the Medium

The Open Court Publishing, Chicago 1907.

David Phelps Abbott

Behind the Scenes With the Medium

The Open Court Publishing, Chicago 1912 (I ed. 1907).

George De Lawrence

How to answer questions in crystal gazing: how to lead up to questions, a study and analysis of actual questions, actual questions for practice study

Chicago 1922.