Contains miscellaneous notes, correspondence, newspaper articles, several drafts of the book, footnotes, bibliographic notes, and photographs. Many of the items were gathered from the Hancock County courthouse. Materials were compiled between approximately 1970 and 1975 for the production of the book Carthage Conspiracy.

This collection, containing a copy of a paper by Richard K. Behrens and it's appendices, has been separated into folders within a hollinger box. Each appendix is kept in it's own folder. Hyrum Smith (1800-1844) was the elder brother of the Prophet Joseph Smith, Jr. He was a faithful member of the Church from his baptism and served as a great missionary and church leader. He was killed, along with his brother Joseph, on 27 June 1844.