Proceedings of the Society for Psychical Research

Vol. 7, London 1891.

Edmund Gurney, Frederic William Henry Myers, e Frank Podmore

Les hallucinations télépathiques

Félix Alcan, Paris 1891.

Proceedings of the Society for Psychical Research

Vol. 8, London 1892.

Niceforo Filatete e Vincenzo Scarpa

Annali dello spiritismo in Italia

Vol. 29-30, Tipografia A. Baglione, Torino 1892.