Le folioscope

Le Monde Illustré, Paris 20 marzo 1897, p. 186.

Le folioscope

La Revue des nouveautés, N. 28, Comptoir de Spécialités Brevetées, Paris gennaio 1897, pp. 6-7.

Proceedings of the Society for Psychical Research

Vol. 13, London 1897.

Journal of the Society for Psychical Research

Vol. 8, London 1897.

Frederick Harold Bailey

Inductive elementary physical science with inexpensive apparatus, and without laboratory equipment

D. C. Heath & Co., Boston 1897.

Cesare Baudi di Vesme

Storia dello spiritismo

Vol. 2, Roux Frassati e C., Torino 1897.

Henri De Parville

Le folioscope

Journal des débats politiques et littéraires, 11 febbraio 1897.

Henry Ridgely Evans

Hours With the Ghosts or Nineteenth century witchcraft. Illustrated investigations into the phenomena of spiritualism and theosophy 

Laird & Lee Publishers, Chicago 1897.

Edouard Gasc Desfossés e Emile Boirac

Magnétisme vital: expériences récentes d'enregistrement, suivies d'inductions scientifiques et philosophiques

Société d'éditions scientifiques, Paris 1897.

Albert Allis Hopkins e Henry Ridgely Evans

Magic, Stage Illusions and Scientific Diversions including Trick Photography

Sampson Low, Marston & Co., London 1897.