Ventriloquism Explained: and Juggler’s Tricks, or Legerdemain Exposed

J. S. and C. Adams, Amherst 1834.

The Phrenological Journal and Miscellany

Vol. 9, Oliver & Boyd, Edinburgh 1834.

David Brewster

The Invisible Girl (Letter VII)

David Brewster, Letters on Natural Magic, addressed to Sir Walter Scott, Bart., John Murray, London 1834, pp. 161-164.

William Godwin

Lives of the necromancers or an account of the most eminent persons in successive ages, who have claimed for themselves, or to whom has been imputed by others, the exercise of magical power 

Chatto and Windus, Piccadilly, London 1834.