The MGM Mirage Records on Mandalay Resort Group consists of materials from Mandalay Resort Group’s office of public relations and community affairs records, which was closed after Mandalay’s corporate merger with MGM Mirage in 2005. The files, dating from 1968 to 2005, provide documentation of Mandalay Resort Group’s external affairs and internal operations. They contain subject files, photographs, negatives, slides, correspondence, VHS tapes, corporate publications, press releases, press kits, wholesale room agreements, hotel ephemera, employee newsletters, and press clippings. Of particular interest are files and photographs documenting the planning, development, construction, and opening of the Mandalay Resort Group properties.

The Ken Tiffany Music Scores (approximately 1956-1999) comprise a collection of published sheet music and original handwritten scores composed by Tiffany. The material also includes several pictures of Tiffany.

The Willis B. Smith Collection (1958) on Western Airlines consists of two news releases from Western Airlines about the company's history and two letters to Willis B. Smith. The collection describes the founding of Western Airlines and its early flights from Salt Lake City, Utah to Los Angeles, California. It also contains a color photograph of a Western Air DC-10 airliner in flight.

The Erma Cunningham Collection on the Eldorado School District, Nelson, Nevada is comprised of materials related to the elementary school that was located in Nelson, Clark County, Nevada from 1941 through 1952. It includes attendance records, student grades, and assorted materials related to education.