The Matt Gregory Photograph Collection contains color and black-and-white photographic prints, negatives, and slides of musical and dance shows he produced in Nevada and international locations between 1959 and 1985.

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.

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.

The Ralph Denton Legal Papers (1950-1993) consist of case files and legal briefs of civil rights attorney Ralph Denton. The cases largely involve civil rights issues and property claims in Las Vegas, Nevada. The files include cases representing individuals as well as companies such as Henderson Telephone Company, Lephrechaun Mining Company, and the Jockey Club Casino.

The Kiel Ranch Preservation Committee Records (1973-2005) document the activities of the North Las Vegas Bicentennial Committee (1973-1976) and its successor, the Advisory Board for Kiel Ranch (1978-1995), in their efforts to restore Kiel Ranch, one of the earliest non-indigenous settlement sites in the Las Vegas, Nevada area. The collection contains various official reports on Kiel Ranch, proposals on how to restore Kiel Ranch, chronological files for each year of the project, and newspaper clippings on the status of Kiel Ranch.

The Southern Nevada Daughters of the American Revolution Records primarily document the activities of three Southern Nevada chapters of the National Society Daughters of the American Revolution from 1950 to 2024. The materials center around the records of three chapters from Southern Nevada: Old Spanish Trail, Francisco Garces, and Valley of Fire. Materials include administrative records, scrapbooks, photographs, news clippings, and correspondence about the activities of the Daughters of the American Revolution chapters. Mateirals also include some records and scrapbooks from the Nevada State Society of DAR.

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.