Giuseppe Cesare Angelo Brofferio

Per lo spiritismo

Domenico Briola, Milano 1893.

Proceedings of the Society for Psychical Research

Vol. 9, London 1893.

Journal of the Society for Psychical Research

Vol. 6, London 1893.

Proceedings of the Society for Psychical Research

Vol. 10, London 1894.

Proceedings of the Society for Psychical Research

Vol. 10, London 1894.

Niceforo Filatete e Vincenzo Scarpa

Annali dello spiritismo in Italia

Vol. 31-32, Tipografia A. Baglione, Torino 1894.

Proceedings of the Society for Psychical Research

Vol. 11, London 1895.

Journal of the Society for Psychical Research

Vol. 7, London 1895.

Proceedings of the Society for Psychical Research

Vol. 12, London 1896.

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.