The Pacific Engineering and Production Company of Nevada (PEPCON) Disaster Collection of News Articles (1988-1992) consists of articles from Las Vegas and other state and regional newspapers about the PEPCON plant explosion that took place in May of 1988. Also included are United Press International press releases from October to December, 1988.

The Wayne Cronister Photograph Collection depicts towns in Southern Nevada from 1905 to 1950. The photographs primarily depict Fremont Street in Las Vegas, Nevada and the construction of the Hoover (Boulder) Dam on the Colorado River. The photographs also include the Union Pacific Railroad Depot in Las Vegas, Nevada, the abandoned town of Rhyolite, Nevada, and a mining camp in El Dorado Canyon.

The Nevada Statehood Commemorative U.S. Postage Stamps and Coin collection contains one sheet of the 1964 Nevada Statehood Centennial Stamp, printed from plate number 27798, and one proof copy of the 1964 Nevada Centennial Medallion.

The William Fulton Papers (1993-1996) contains Fulton's research files used in writing his book, The Reluctant Metropolis: the Politics of Urban Growth in Los Angeles. The materials primarily consist of newspaper clippings that cover stories on the growth of Los Angeles residents moving to Las Vegas, Nevada, water, economic development, and the master planned community of Summerlin. The majority of newspaper clippings are from the Las Vegas Review-Journal and the Las Vegas Sun. The materials also include reports on economic and housing development in Southern Nevada as well as drafts of the book's Chapter 12, "Cloning Los Angeles" which discusses the growth of Las Vegas throughout the 1980s and 1990s.

The Geneva Stark Merwin Photograph Collection features photographic prints and negatives of locations throughout Pahrump, Nevada between 1941 and 1942. Primary locations include a Pahrump school and Pahrump Ranch, as well as locations in local fields and mountains. The photographs capture candid scenes of people walking to school and feeding animals.

The Ernest Mitchell Pratt Photographs (approximately 1932-1936) consist of black-and-white photographic prints, signed and unsigned, taken by Pratt while Hoover Dam was under construction. Many prints are signed and mounted, and two are noted as award-winning photographs shown at the Annual International Salon of Camera Pictorialists in Los Angeles, California. There are additional working prints included alongside the final prints for most of the scenes. Also included in the collection is one small photograph of Pratt. This collection was formerly known as the Price Photograph Collection.

Carol Terry's "Germans in Las Vegas" Oral History Project (2007) contain the oral histories conducted by Terry while researching for a chapter on Germans in Las Vegas, Nevada for The Peoples of Las Vegas book. Terry interviewed over 60 individuals and the collection contains the printed transcripts and audiocassettes from each interview.