Charles Dickens

An Old Medium

All the Year Round, N. 217, Vol. 9, London 20 giugno 1863, pp. 394-396.

Seifert

Mesmer's first practical career as a physician, together with strange experiences in Hungary

The Spiritual Magazine, N. 10, Vol. VI, F. Pitman, London 1 ottobre 1865, pp. 437-450.

John Barnes Linnett

Producing Optical Illusions

London 14 marzo 1868.