The Tobias Mattstedt Menu Collection (approximately 1990-2009) is comprised of menus documenting the restaurant industry in Las Vegas, Nevada, the United States, and internationally. The menus include restaurants located in Las Vegas casinos, most notably the MGM Grand, located in Las Vegas. Included in the MGM Grand menus are restaurants such as the Pearl, Tabu Ultra Lounge, and the Grand Wok and Sushi Bar. The collection also documents menus collected by Mattstedt that are not affiliated with the MGM Corporation. These include menus located in the United States, especially Hawaii, including menus from the restaurants Olio!, Nob Hill, Diego's, and Sea Blue. The collection also includes international menus with a focus on Asian countries. The material provides insight into menu design, food culture, and the Las Vegas service industry.

The Blue Diamond Mine Corporate Records (1918-2005) consist of operational and organization records of the gypsum mining and milling operations located in southwest Clark County, Nevada. Materials include operational records related to individual boring sites at the mine; milling operations and statistics; and equipment operations and statistics, including maps, field notebooks, and photographs. There are also daily, weekly, and monthly organizational records related to employee work schedules and safety reports for the mining operations, including accident reports and a safety education training program.

The Charley Henchis Papers (approximately 1945-1987) document the career of international cabaret show producer Charley Henchis and the shows he produced in Las Vegas, Nevada and Beirut, Lebanon. Materials include Henchis' business files which includes correspondence, files on specialty acts, photographs, and press about Henchis. Shows represented in this collection includes La Parisienne which was performed at the Dunes Hotel in Las Vegas in 1960 before moving to Casino du Liban in Beirut. Other shows represented in this collection that were produced for Casino du Liban includes Mais Oui, S'il Vous Plait, Flash!, and Hello!. Additional materials include press and publicity files, music arrangements and scores, recordings of musical numbers used for the productions, and film footage of shows and production reels. Also included is film footage of the Charley Ballet, Henchis' dance troupe who were featured in his shows.