The B. Carmon Hardy papers consist of his writings and research materials regarding American history and Mormon polygamy. Included in the collection are his academic teaching materials.

Boxes 228-251 were processed in 2022. As a result of the donation, the papers were divided into two series: 1. B. Carmon Hardy and 2. Kamillia M. Hardy. The addenda consists primarily of diaries written by B. Carmon Hardy and Kamillia M. Hardy. Loose materials such as entries, printed materials, and correspondence were often placed between diary pages. Kamillia's diaries are written in English, French, and shorthand. The general materials in B. Carmon Hardy's series includes correspondence, greeting cards, printed materials, clippings, and writings. These items were originally grouped together and maintained.