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

The 'Preliminary Report of the Commission Appointed by the University of Pennsylvania to Investigate Modern Spiritualism' is a scientific examination published in the late 19th century. Commissioned by Henry Seybert, it investigates phenomena associated with Modern Spiritualism, such as slate writing and mediumistic abilities, through the observations of a group of scholars. The report documents their experiences at séances and expresses skepticism regarding the authenticity of spiritualist claims, establishing a critical inquiry into the subject. This work is notable for its early academic approach to the investigation of spiritualism.