This series contains materials which pertain to all of Granville Stuart's different careers in Montana, circa 1851-1903. The materials include inventories, meeting minutes, business agreements, reports, certificates of appointment, notes, and a typescript description of his first book, "Montana As It Is."

This series contains Granville Stuart's research and reference relating to Montana's history, circa 1861-1916. Most of the series is comprised of cattle industry papers, mining industry papers, and political materials, along with a large group of miscellaneous items. Some of the items include letters, receipts, agreements, and programs, all pertaining to events occurring in Montana.