Nathaniel William Wraxall

Letter VIII - Story of the Apparition of the Chevalier de Saxe, raised by Schrepfer

Nathaniel William Wraxall, Memoirs of the Courts of Berlin, Dresden, Warsaw, and Vienna, T. Cadell Junior, London 23 novembre 1800, pp. 279-294.

The Invisible Girl; Leicester-square

John Feltham, The Picture of London for 1804, London 1804, p. 262.

Schirmer&Scholl

Origin, history, and explanation of all the late optical and acoustic discoveries called the Phantasmagoria

Schirmer&Scholl, Sketch of the performances at the Large Theatre, Lyceum, London 1805, pp. 14-23.

Schirmer&Scholl

Origin, history, and explanation of what has been called the Invisibile Girls

Schirmer&Scholl, Sketch of the performances at the Large Theatre, Lyceum, London 1805, pp. 24-31.

The Invisible Girl; Leicester-square

John Feltham, The Picture of London for 1805, London 1805, p. 262.

Andrew Oehler

An explanation of the raised ghost

Andrew Oehler, The life, adventures and unparalleled sufferings of Andrew Oehler, Trenton, N.J. 1811, pp. 221-223.

Recreations and Contrivances relating to Acoustics

Anonimo, Encyclopædia Britannica, Vol. XVIII, Archibald Constable, Edinburgh 1823, p. 546.

Henry Christmas

Essay on the origin and progress of Animal Magnetism

Edward Mammatt, The Analyst: A Quarterly Journal of Science, Literature, Natural History and the Fine Arts, Vol. X, Simpkin, Marshall & Co., London 1840, pp. 464-483.

James Braid

Magic, Witchcraft, Animal Magnetism, Hypnotism and Electro-biology: Being a Digest of the Latest Views of the Author on These Subjects

John Churchill, London 1852.

Ippolito di Roma

Refutatio Omnium Haeresium

John Henry MacMahon, Ante-Nicene Christian Library, T. & T. Clark, Edinburgh 1868.