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.