Metapsychical Phenomena: Methods and Observations

Preliminary Report of the Commission Appointed by the University of Pennsylvania to Investigate Modern Spiritualism In Accordance with the Request of the Late Henry Seybert

Telepathy, Genuine and Fraudulent

Telepathy and the Subliminal Self

Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants

Les Phénomènes Psychiques Occultes: État Actuel de la Question

Patience Worth: A Psychic Mystery

From India to the planet Mars: A study of a case of somnambulism with glossolalia