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 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 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 Women's Research Institute of Nevada (WRIN) Oral History Records (1995-2015) are comprised of Dr. Joanne Goodwin's research, communication, and publicity relating to the Las Vegas Women Oral History Project. The records include correspondence, photographs of interview participants, news clippings, and working drafts of transcripts. The records also contain oral history interview documentation for projects in which WRIN and Joanne Goodwin provided assistance and consultation.