Il fachiro Tahra Bey

Luce & Ombra, N. 4, april 1925, pp. 176-184.

Margery genuine says Conan Doyle; he scores Houdini

Boston Herald, 26 january 1925.

G.B. Seybold

They Can See with Their Skin

Popular Science Monthly, december 1925, p. 21.