The Frank F. Watts Photograph Collection (approximately 1940-1959) contains black-and-white photographic prints, negatives, and slides. The photographs were taken in and around the El Rancho Vegas Hotel and Casino in Las Vegas, Nevada and include publicity photographs, celebrity images, wedding photographs, and images of the hotel interior and exterior. Also included are images of the El Rancho's executives with national figures, including Eleanor Roosevelt and Walter Winchell. A few additional images depict the Hoover Dam (Boulder Dam) and Lake Mead.

The Charles Aplin Photograph Collection (approximately 1935-1955) consists of black-and-white photographic prints and negatives. The images primarily depict the Fraternal Order of Eagles, Las Vegas, Nevada chapter events and members. Also included are images of Las Vegas, Helldorado parades, and Conrad H. Mann, former president of the Fraternal Order of Eagles.

The collection is comprised of various account and appointment books dating from approximately 1922 to 1972 kept by Las Vegas, Nevadan dentist, Dr. Jay Dayton "J. D." Smith, who operated a dental practice near 1st and Fremont streets. Also included in this collection are sympathy cards to Dr. Smith's family upon his passing, copies of his obituary from the Las Vegas Sun, copies of the Las Vegas Age with a front page article on Dr. Smith's appointment as U.S. Marshal, and a copy of the book K.O. Knudson: His Life by James Monroe Harvey.

The Las Vegas Chamber of Commerce Records (1911-2020) contain organizational documents from the Chamber’s history, including administrative and financial records, legal documents such as ordinances and legislation, newsletters and promotional guides, advertising and publicity materials for the city and its retailers, and original photographic prints, negatives, and reproductions. The collection also contains audiovisual materials featuring Las Vegas Chamber of Commerce events from approximately 1997 to 2013.