Alfred de Vaulabelle e Charles Hémardinquer

La Science au théâtre. Étude sur les procédés scientifiques en usage dans le théâtre moderne

Henry Paulin et Cie, Paris 1908.

Edmund H. Wilkie

Optical illusions

The Magician Annual, 1908, pp. 20-33.

[Tavola dal Laberinto di Andrea Ghisi]

Leo S. Olschki, La Bibliofilia. Rivista dell'arte antica, Vol. X, Leo S. Olschki, Firenze 1909, p. 314.

A manual of cartomancy, fortune-telling and occult divination

William Rider & Son, London 1909.

The Boy Magician: the boy's own journal on magic

Presto Pub. Co., New York 1909.

Journal of the Society for Psychical Research

Vol. 14, London 1909.

Proceedings of the Society for Psychical Research

Vol. 23, London 1909.

Proceedings of the American Society for Psychical Research

Vol. 3, 1909.

Roberto Bracco

Pickmann

Roberto Bracco, Smorfie tristi, Remo Sandron, Palermo 1909, pp. 165-170.

Hereward Carrington

Eusapia Palladino and Her Phenomena

B.W. Dodge & Company, New York 1909.