The Helen J. Stewart Papers (1869-1978) document the life of Las Vegas, Nevada pioneer, Helen J. Stewart. It includes correspondence between Stewart and her children as well as various family legal papers and certificates. The collection also contains Helen J. Stewart's 70th birthday scrapbook, a ledger, and a day book from 1904-1919, as well as several photograph albums and information related to the family burial plot.

The Linda Miller Papers (2008-2024) document Dr. Linda Miller's historic preservation work in Las Vegas, Nevada including her work portraying early Las Vegas resident, Helen J. Stewart, at historical events across Southern Nevada. The collection documents Miller's efforts to erect a statue of Helen Stewart at the Las Vegas, Nevada Old Mormon Fort, as well as her contributions to the programming for Sarah Winnemucca Day in 2018. The collection documents Miller's appearances as Helen J. Stewart through photographs, pamphlets, video recordings, digital files, and curriculum used for her outreach work. The collection also documents Dr. Miller's activities as chair for the Nevada State Society chapter of the National Society of the Daughters of the American Revolution (NSDAR) and as a member of the National Society Sons and Daughters of the Pilgrims Southern Nevada Chapter.

The Alice P. Broudy Papers on Broudy v United States (1940-2018) comprise materials collected and created by the wife of Charles A. Broudy during her effort to obtain compensation for his death in 1977, which she believed to be a result of repeated radiation exposure. Materials include government documents obtained through the Freedom of Information Act (FOIA), correspondence, memos, litigation papers, scholarly reports and articles on radiation exposure and its effects, congressional testimony, speeches, newspaper clippings, books and audiovisual materials. Also included are photographs, slides, and one box of Alice "Pat" Broudy's personal papers. There are two boxes of papers that remain unprocessed.