The Tonopah Mining Company Records derive from the office of the company’s general manager in Tonopah, Nevada and consist of documents directly generated by its mining and milling operations from 1901 through 1941. The collection includes daily work reports, assay reports and certificates, employee time cards, invoices and receipts for mining equipment and supplies, monthly stores reports, and the company’s numerous insurance policies. Several of the company’s annual reports, including an original typescript copy of the 1907 annual report, are included in the collection. Additionally, select records from the company's subsidiary, Desert Power and Mill Company, as well as the Tonopah and Goldfield Railroad, which include overcharge claims, freight and repair bills, and delivery receipts are included in the collection.

The Bill Willard Photograph Collection depicts Las Vegas, Nevada, hotels and casinos in Las Vegas, the Las Vegas Valley, and Laughlin, Nevada from 1905 to 1919 and from 1940 to 1999. The photographs primarily depict hotels and casinos in Las Vegas, including the Sahara Hotel, Circus Circus Hotel and Casino, MGM Grand Las Vegas Hotel and Casino, Caesars Palace, Flamingo Hotel, and the Aladdin Hotel. The photographs also depict students at Nevada Southern University (predecessor of the University of Nevada, Las Vegas), the city of Las Vegas, industrial plants in Henderson and Apex, Nevada, and events in Laughlin, Nevada.

The North Las Vegas Bicentennial Committee Photographs and Drawings of Kiel Ranch document the buildings on Kiel (Kyle) Ranch in 1974. As part of the commemoration of the United States bicentennial, the North Las Vegas City Council elected to restore Kiel Ranch, which was one of the first non-indigenous settlements in the Las Vegas Valley. The materials include black-and-white photographs of Kiel Ranch as it was in 1974 as well as architectural drawings of planned renovations to the main house, the Brown House, the foreman's house, and the ranch hands' house.

The Florence Lee Jones Cahlan Photographs depict locations and events in Las Vegas, Nevada from 1909 to 1980. The photographs primarily depict historical locations, including the Las Vegas Mormon Fort, the Kiel Ranch, and plaques commemorating Las Vegas’s 75th anniversary. The photographs also depict celebrations, including the Diamond Jubilee festivities held to celebrate Las Vegas’s 75th anniversary, plaque dedications, building dedications, and the 50th anniversary of the arrival of the first mail planes in Las Vegas. The photographs include the Kennecott Copper Corporation’s facilities in McGill, Nevada, Western Airlines planes and pilots, and Union Pacific Railroad locomotives.

The Lori Lipman Brown Papers date from 1975 to 2009 and document former Nevada State Senator Lori Lipman Brown's political career. It includes correspondence and materials from Brown's service as a Nevada State Senator from 1992 to 1994, case files from her defamation lawsuit against Nevada State Senator Kathy Augustine, and papers from her work opposing the Nevada Question 2 ballot measure on same-sex marriage in 2000. The collection also contains photocopies of biographical materials and personal and publicity photographs of Brown, as well as material from her time working with local high school and commmunity theatre programs.

Collection is comprised of the papers of Las Vegas producer, manager, and agent Matt Gregory from 1959 to 1986. Included are contracts, costume sketches, press releases, videos, show reviews, and advertisements. Also included are correspondence, public relations material, business related material, costume and set design drawings and sketches, slides, negatives, photographs, transparencies, and videos, mostly from the 1960s through the 1980s.