Journal of the Society for Psychical Research

Vol. 3, London 1887.

Proceedings of the Society for Psychical Research

Vol. 5, 1888.

Proceedings of the Society for Psychical Research

Vol. 5, 1888.

Gilles De La Tourette

L’ipnotismo e gli stati analoghi sotto l’aspetto medico-legale

Leonardo Vallardi Editore, Milano 1888.

Niceforo Filatete e Vincenzo Scarpa

Annali dello spiritismo in Italia

Vol. 25.26, Tipografia A. Baglione, Torino 1888.

Journal of the Society for Psychical Research

Vol. 4, London 1889.

Proceedings of the Society for Psychical Research

Vol. 6, London 1889.

Proceedings of the Society for Psychical Research

Vol. 6, London 1889.

Carl Du Prel

The philosophy of mysticism

George Redway, London 1889.

Niceforo Filatete e Vincenzo Scarpa

Annali dello spiritismo in Italia

Vol. 27-28, Tipografia A. Baglione, Torino 1890.