Collection consists of audio reel recordings of séances held under the supervision of medium Thomas Lacey between 1958 and 1966. The séances were held primarily in Kitchener-Waterloo although some were held in other areas of Ontario and the United States.
Also included in the collection are 55 cassette tapes of séances that have been transferred to this medium, as well as an index to spirits reached through the séances.

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.

The Thomas Lacey séance collection accrual includes several files of séance reports that contain details regarding the sitters involved in the séance circles and messages on various topics from spirits that communicated through the medium Thomas Lacey.