J.Hardin Burlingame

Tricks in magic, illusions, and mental phenomena

Vol. 1-2-3, 1895.

La seconda vista svelata

Natura ed arte. Rassegna illustrata, Milano 1898, pp. 692-693.

Lew Alexander Harraden

Complete mail course of twenty illustrated lessons in hypnotism

Jackson 1899.

Ernest Blum

Liseurs de pensées

Le Soir, Bruxelles 2 diciembre 1900.