The C. C. (Clio Cline) Mobley Photograph Collection (approximately 1911 to 1917) consists of sixteen black-and-white photographic prints with corresponding photographic negatives. The images depict the Las Vegas, Nevada Ranch while the Mobley family leased it from the Union Pacific Railroad during the period. The photographs depict the home, swimming pool, the Old Las Vegas Mormon Fort, and orchards and streams on the property.

Collection is comprised of materials dating from approximately 1971 to 1996 about the Las Vegas Clark County Library District. Collection materials also include Charles Hunsberger's subject files from when he was library director of LVCCLD. The collection includes annual financial reports, clippings about the library district, photographs, master plan documents for Nevada libraries, and staff newsletters. In addition, the collection also includes materials documenting Hunsberger's efforts to secure a $22.2 million library bond in 1985.

The Loretta Bowman Collection of Clark County Clerk Records (1912-1997) contain documents collected by Clark County Clerk Loretta Bowman during her time in office. Materials include court proceedings, signed agreements and contracts, appointments to public offices and related correspondence, denials of cases involving battery on police officers, affidavits for birth certificates, and criminal peace bonds. The majority of the materials are oaths of office and the related surety bonds for government officials.

The Southern Nevada Telephone Company Collection documents the history of the company from 1957 to 1966. The collection includes photographs and internal publications that illustrate the company's growth and role in Las Vegas' history. It also contains a photocopy of A History of the Southern Nevada Telephone Company, 1907-1961.