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 Clark County 208 Water Quality Management Plan Records contain reports produced by consultants and agencies for the Clark County Board of County Commissioners to create the Clark County, Nevada 208 Water Quality Management Plan (1960-1990). The collection also includes amendments and studies about the implementation of the plan.

The Si Zentner Collection of Music Scores consists of copyright agreements and original music scores from the career of musician Si Zentner. The manuscripts span from 1957 through 1996.