The Beckley Family Photograph Collection (approximately 1891-1982) consists of black-and-white photographic prints and negatives and color photographic slides. The images depict the Beckley family, their businesses in southern Nevada, and Las Vegas, Nevada as the city developed during the first half of the twentieth century. Also included are images of airplanes at the first Las Vegas airport Anderson Field, later renamed Rockwell Field in 1925, Fremont Street in Las Vegas, and postcards of mining towns across southern Nevada.

The collection is comprised of captured websites and Twitter data related to the mass shooting that occured at the Route 91 Harvest Festival in Las Vegas, Nevada on October 1, 2017. Captured websites are primarily comprised of articles and news stories from local, national, and international news media outlets. Websites were captured periodically from 2017 to 2018. The collection also includes Twitter data associated with the October 1 shooting that were captured via concurrent queries to the Twitter API for all Tweets containing the term “vegas” occuring September 29, 2017 to October 7, 2017. Also included are files containing tutorials for how to curate and analyze Twitter data which reference the 1 October Twitter dataset for illustrative purposes.

The Cliff Trenier Papers (approximately 1950-1999) document the life and career of Clifton "Cliff" Trenier, who performed with various siblings across the United States beginning in the 1940s. The collection contains photographs of Cliff with his twin brother Claude performing, documents and newspaper clippings relating to the musical group's tours and their numerous performances in Las Vegas, Nevada including at the Moulin Rouge. Also included in the collection are photographs of Cliff's wife, Bedez, and correspondence between the couple up until Cliff's illness and death in 1983.