The Will Bagley papers (1836-2008) contain manuscripts, correspondence, articles, notebooks, health diaries, journals, drawings, postcards, notepads, newspaper clippings, pictures, speeches, manuals, and reference guides. The majority of this collection revolves around his five published books, Blood of the Prophets, Frontiersman, Gold Rush Saints, Kingdom in the West, and Scoundrel's Tale. In addition to his writings, Bagley's papers contain a great deal of his endeavors at Evans and Sutherland, where he was employed for twelve years as a technical writer for the company. This collection also includes other editorial and research work which he did for different newsletters and journals.