Scientific Mysteries

Offices of the Chemist and Druggist, London 1891.

The Power of Mesmerism. A Highly Erotic Narrative of Voluptuous Facts and Fancies

Nihislists, Moscow 1891.

Journal of the Society for Psychical Research

Vol. 5, London 1891.

Proceedings of the Society for Psychical Research

Vol. 7, London 1891.

Hardin Jasper Burlingame

Leaves from conjurers' scrap books

Donohue, Henneberry & Co., Chicago 1891.

Hardin Jasper Burlingame

Around the world with a magician and a juggler

1891.

Etienne Ducret

Les fourberies des charlatans tricheurs, banquistes, empiriques, bateleurs, ventriloques, sorciers, thaumaturges et autres mystificateurs démasquées

Paris 1891.

A. Grimaldi e R. Fronda

Trasmissione del pensiero e suggestione mentale: studio sperimentale e critico

Luigi Pierro Editore, Napoli 1891.

Edmund Gurney, Frederic William Henry Myers, e Frank Podmore

Les hallucinations télépathiques

Félix Alcan, Paris 1891.

Edouard Lucas

Récréations mathématiques

Vol. 1, Gauthier-Villars et fils, Paris 1891 (I ed. 1883).