Photocopy of a handwritten biography of Sidney Rigdon. John Rigdon writes about the activities of his father before, during, and after Sidney was a member of the Mormon Church. The date of the composition of the item is uncertain. Also included are correspondence, draft of an essay, and a published article edited by Karl Keller for the journal, "Dialogue+ a Journal of Mormon Thought." Keller edited Rigdon's account for publication.