The UNLV Libraries Collection of Treasure Island Hotel and Casino Promotional and Publicity Materials includes press kits, press releases, promotional materials, and newspaper and magazine clippings for Treasure Island Hotel and Casino in Las Vegas, Nevada, dating from 1991 to 2006.

This collection is comprised of personal papers and photographs of Reverend Maureen E. Mackey, M.D., physiatrist and co-founder of Rainbow Praise Church in Las Vegas, Nevada. The collection contents span the dates of 1922 to 2014 and details Dr. Mackey's life, including her educational accomplishments, personal life, and religious life. This collection also contains personal papers and photographs of Dr. Mackey's twin brother, Thomas Mackey, III, who passed away from AIDS in 1992. This collection also contains various photographs of Dr. Mackey's parents and family.

The Matthew O'Brien Papers is comprised of records from approximately 2001 to 2011 that document writer Matthew O'Brien's work for two of his Las Vegas, Nevada based non-fiction novels, Beneath the Neon: Life and Death in the Tunnels of Las Vegas and My Week at the Blue Angel: and Other Stories From the Storm Drains, Strip Clubs, and Trailer Parks of Las Vegas. Collection materials include research files, chapter drafts, photographs, and correspondence. The collection materials document O'Brien's process in researching the homeless community in Las Vegas, Nevada.

The Anna Dean Kepper Papers (1903-1924, 1965-1983) contain records, correspondence, photographic slides, research notes, newspaper clippings, and audiovisual tapes, as well as Kepper's research notes, drafts, and transcribed oral history interviews that she used for her thesis on the Fusileers in Ostego County, New York. She was the Curator of the Special Collections and Archives Department in the University of Nevada, Las Vegas Library from 1973 to 1983.

The J. T. McWilliams Photograph Collection contains photographs and postcards from Nevada and Southern California from approximately 1900 to 1970. The materials include postcards depicting Las Vegas, Nevada casinos such as El Rancho Vegas and the Golden Nugget Gambling Hall. The materials also include postcards depicting towns and scenes in Nevada such as Carson City, Rhyolite, Red Rock Canyon, and covered wagons traveling to Las Vegas. Lastly, the materials contain several photographs of the McWilliams family, possibly while they were living in what is now Las Vegas, Nevada.

The Harold Minsky Photograph Collection (1957-1977) contains photographic prints, negatives, and slides collected by Las Vegas burlesque show developer Harold Minsky. Subjects include performers in costume, showgirls, comedians, advertisements for shows, performances, and some of the venues at which Minsky's shows were held, including the Thunderbird Hotel and Casino, the Aladdin Hotel and Casino, and the Dunes Hotel in Las Vegas, Nevada.