The Squires Family Photographs document the Squires Family and the development of the Las Vegas Valley in Nevada from approximately 1860 to 1980, with a bulk of the photographs depicting people and events from 1900 to 1950. The photographs depict the Euro-American settlement and growth of Las Vegas, Nevada; traveling and exploration of Southern Nevada and the Southwestern United States; the Hoover (Boulder) Dam and the Colorado River; clubs and social groups; and the Squires Family, especially prominent newspaper editor and publisher Charles Pember (C. P. or “Pop”) Squires, Delphine “Mom” Anderson Squires, and their children.

The Leon Rockwell Photograph Collection (approximately 1850-1979) contains black-and-white photographic prints, negatives, and slides, as well as postcards and tintypes. The images portray the lives of the Rockwell family in southern Nevada, their travels throughout New York and the western United States, and their immediate and extended family members. Also included are images of the volunteer and early firefighters of Las Vegas, Nevada, the Rockwell's family cabin at Mount Charleston, Nevada, and the Rockwell family home in Las Vegas. Portions of the images are from the Rockwell family travels across Nevada, Utah, New Mexico, Arizona, and California and depict historic locations such as Cove Fort, Utah; Rhyolite, Nevada; and Pueblo Grande de Nevada.

The UNLV Libraries Collection of Elsinore Corporation Reports and Publicity Materials includes annual reports, financial reports, press releases, promotional materials, and newspaper clippings for Elsinore Corporation in Las Vegas, Nevada, dating from 1979 to 1995.

The UNLV Libraries Collection of GTECH Corporation Press Materials and Financial Reports includes annual reports, financial reports, equity research reports, prospectus, press kits, press releases, promotional materials, international lottery advertisements, and lottery industry publications produced by GTECH Corporation located in West Greenwich, Rhode Island, dating from 1987 to 2002.

The UNLV Libraries Collection of Gold Strike Resorts Inc. Promotional and Press Materials includes promotional materials, company newsletters, and newspaper clippings for Gold Strike Resorts Inc. located in Jean, Nevada dating from 1986 to 2005.