Chauncy Hare Townshend

Facts in mesmerism: with reasons for a dispassionate inquiry into it

Harper & Brothers, New York 1841.

David Brewster

Letters on Natural Magic

Harper & brothers, New York 1842 (I ed. 1832).

David Brewster

Letters on natural magic

Harper & Brothers, New York 1843 (I ed. 1832).

Walter Cooper Dendy

The philosophy of mystery

Harper & Brothers, New York 1845 (I ed. 1841).