The El Rancho Vegas Collection (1953-1961) is comprised of materials and memorabilia from the El Rancho Vegas Hotel collected by former hotel controller, Frank Watts. Records include financial documents including endorsed checks to performers at the resort. Other items included unused stationary, copies of the menu, and memorabilia from the hotel. The collection also contains a bathmat, hangers, and a drinking glass from the hotel.

The Dorothy Keeler Papers (1811-1977) document early Las Vegas history, the life and career of former United States Mint director Eva Adams, and contain images of the Western United States and Southern Nevada in the 1930s. The collection contains clippings on the history of Las Vegas and early Las Vegas weddings as well as photographs documenting the Keelers' travels throughout the Western United States and the construction and dedication of Hoover Dam.

The Elmo and Charlotte Ellsworth Papers (1948-1977) are comprised of business correspondence, room reservation records, promotional materials, and photographs from Elmo's employment at the Flamingo and Riviera Hotels in his work of securing conventions. There is also correspondence and promotional materials from his wife Charlotte Ellsworth, who worked as a reservations manager at the Riviera Hotel and the Frontier Hotel in Las Vegas, Nevada and the MGM Grand Hotel in Reno, Nevada.

U-Wah-Un Study Club Records (1919-1987) include a complete set of the organization's yearbooks from 1919 to 1977, a club scrapbook, meeting minutes, and financial records.

The Florence Lee Jones and John Cahlan Papers (1929-1983) contain material created by the couple related to their work at the Las Vegas Review-Journal, their interest in the history of Las Vegas, Nevada, and the promotion of Southern Nevada for business and industry. The collection includes the Cahlan's correspondence as well as newspaper clippings about Las Vegas. It also contains drafts and manuscripts for their book, Water: a History of Las Vegas, commissioned by the Las Vegas Valley Water District.

The KLVX Steamboats on the Colorado Records consist of documents related to the production of Las Vegas' channel 10's (KLVX) Steamboats on the Colorado documentary between 1974 and 1976. The collection is comprised of correspondence, promotional materials, scripts, a treatment, a grant application, maps of the Colorado River from 1852 and other materials used as research for the documentary.

The James B. McDaniel Records (1960-1978) comprise the plans and drawings created by Las Vegas, Nevada architect James McDaniel who worked independently as James Brooks McDaniel Architect (from 1960-1978) and with a partner as Moffitt and McDaniel Architects, Limited (during the 1970s). This collection includes materials from over 115 projects managed by McDaniel. Records include oversized architectural drawings, and files of architectural projects. McDaniel designed many University of Nevada, Las Vegas (UNLV) buildings, residential, commercial, and landscape designs for Las Vegas clients. Also included are business files of construction estimates, specifications, invoices, change orders, and correspondence.