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 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.

The Nevada Mining Collection is comprised of records that document mining and mines in Nevada from 1842 to 1966. The majority of the collection includes records of various mines and mining companies located in the Esmeralda, Lincoln, Clark, White Pine, and Nye counties, dating from 1900 to 1928. The collection includes financial, administrative, and business related records; photographs of miners, mining camps, and towns; correspondence; maps; newspaper clippings, pamphlets, newsletters, and booklets.

The collection is comprised of architectural records (1947-2001) of American architect, Homer Rissman and the architectural firm, Rissman and Rissman Associates Ltd, a partnership of Homer Rissman and his brother Marshall. The collection includes 825 items from over 40 major projects and over 110 minor projects. The Rissmans' work represented in the collection focused on Las Vegas, Reno, and Lake Tahoe, Nevada, Los Angeles, Southern California, and Arizona, with Homer's early career design work in Chicago, Illinois. The materials feature hand-drawn architectural drawings, ranging from pencil and ink on tracing paper preliminary sketches to ink on Mylar (TM) construction documents, and a number of artist’s renderings, used for presentations and promotional materials. The drawings also contain work from a number of consultants, engineers, and other architects who collaborated on the development of the various projects. The collection includes architectural drawings for: hotels, casinos, integrated casino resorts, office towers, multi-family residential developments, and custom single-family homes.