Collected by Gustav Seide, this collection includes primarily works by 19th century German mystic Jakob Lorber and his circle such as Gottfried Mayerhofer. Also included are works by other mystics including Emanuel Swedenborg and religious texts including the Bhagavad Gita. Of particular note is a complete set of Lorber’s seminal work “Das große Evangelium Johannis” of the Great Gospel of John.

Collection consists of two scrapbooks maintained by William Phillips. The first includes clippings from newspapers and magazines that date from 1890 to 1914. Included are articles on topics relating to spiritualism, advertisements for mediums, and advertising for spiritualism products including the Ouija board. These materials are glued into "A History of Europe" and most clippings feature underlining of important sections.

The second scrapbook includes both clippings as well as handwritten notes from the spirit world. The notes were sent from friends and family of William Phillips including his wife Elizabeth, sister Fanny, brother John Edward and father Joseph. The notes primarily came through medium P.L.O.A. Keeler at Lily Dale. Most of the clippings are advertisements for publications relating to spiritualism and the occult.

The Sofie Gauthier collection contains records created and accumulated by Sofie Gauthier relating to Spiritualism. Records include lectures on Spiritualist practices, automatic writing, a newsletter from the National Spiritualist Association of Churches, and an OAHSPE bible.

Includes one stereograph that is an example of spirit photography.

Includes a manuscript notebook that records the details of séances held by a group of individuals in Weston-super-Mare, England between April 16, 1924 and February 27, 1925. Also includes a handwritten poem and a photograph.

Typescript lectures given during séances held under the supervision of medium Thomas Lacey in Waterloo, Kitchener, and Hamilton from 1934 to 1951. Some lectures and a press clipping featuring a letter to the editor against capital punishment written by Thomas Lacey are contained within a scrapbook. Lectures range from various topics including life and death, peace, Gandhi, and spiritualism.

Material accumulated by the Survival Research Institute of Canada that is related to William Herman Cartheuser, an American Spiritualist medium. Includes records related to his work as a medium such as business cards and class announcements. Also includes material related to his personal life including photographs, a marriage certificate, a ration card, and other ephemera.