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Kempelen's chess playing pseudo-automaton and Racknitz' explanation of its controls 1789

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Deac Rossell

The 19 Century German Origins of the Phantasmagoria Show

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G. T. Clapton

Baudelaire and Catherine Crowe

The Modern Language Review, Vol. 100, 2005, pp. 171-190.

Bertrand Méheust

A historical approach to psychical research: the case of Alexis Didier (1826-1886)

Esalen Institute, Big Sur maggio 2007.

Sofie Lachapelle

Science on stage: amusing physics and scientific wonder at the nineteenth-century French theatre

History of Science, N. 47, 2009, pp. 297-315.

Carlos S. Alvarado

Investigating Mental Mediums: Research Suggestions from the Historical Literature

Journal of Scientific Exploration, N. 2, Vol. 24, Virginia Beach 2010, pp. 197-224.