The C. D. Baker Engineering Field Notebooks are comprised of the notebooks and informational texts Charles Duncan "C. D." Baker created and used between 1909 and 1966 while he served as the County Surveyor for Clark County, Nevada and the City Engineer for Las Vegas, Nevada. The field notebooks contain survey coordinates and elevation data for much of early Las Vegas and provide important information on early property boundaries, historical elevations, and lengths of streets from the 1920s to the 1960s. There are also oversized right of way maps for Clark County, Nevada.

The Ray Cutright Collection of Winthrop A. Davis Photographs (approximately 1929-1939) consists of black-and-white photographic prints with some corresponding negatives and slides of the construction of Hoover Dam and the geographic terrain of southern Nevada during the early 1930s. Included are photographs of the geographic area around the dam site, Black Canyon, and Boulder City, Nevada. Photographs depict the construction of facilities and roads needed for the project.

The Hank Greenspun Papers date from 1962 to 1966 and are comprised of draft manuscripts of the books Where I Stand: Records of a Reckless Man written by Hank Greenspun and Alex Pelle, and drafts of the manuscript Rebel with Many Causes, originally entitled Idol Smasher, a biography written about Hank Greenspun by Ed Reid.

The Claudine Williams Photograph Collection (approximately 2007-2009) consists of nine optical disks containing ninety-eight digital surrogate images dating between 1940 and 2000. The images primarily portray Claudine Williams in publicity images for various hotel and casinos Williams and her husband owned alongside prominent individuals, including Dean Martin, Hillary and Bill Clinton, and Robert Reich. Other images depict Williams in her youth and with her family members. Additional materials include images of Williams’ business cards, articles in various Las Vegas and Nevada magazines and newspapers on Williams, and images of properties Williams operated.