A. Alpheus

Complete hypnotism, mesmerism, mind-reading and spiritualism. How to hypnotize, being an exhaustive and practical system of method, application and use

M.A. Donohue & Co., Chicago 1903.

Henry Ridgely Evans

Treweyism

The Open Court, N. 592, Vol. XIX, The Open Court Publishing Company, Chicago settembre 1905, pp. 523-537.