Fonds consists of material documenting the lives, interests and activities of Jenny Pincock, as well as her sister and brother-in-law Minnie and Fred Maines. The main focus of the fonds is the activities surrounding their interest in spiritualism. Includes correspondence; seance transcripts and notes; notes for and drafts of poems and other literary compositions by Jenny Pincock; clippings, ephemera, etc.

Accrual consists of material created and accumulated by members of the Maines Pincock family primarily related to séances and the occult. Includes séance notebooks, sermons, ephemera, photographs, and more.