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 Alan Bible Speeches Collection contains speeches made by Alan Bible while he was serving as a United States Senator representing Nevada from 1967 to 1974. The collection documents Bible's work around the state of Nevada, including dedication and commencement speeches, policy speeches, and promotion of the Democratic Party, as well as some speeches delivered in Washington, D.C.

The Insignia Films Research for the "American Experience: Las Vegas - An Unconventional History" collection (1968, 2004-2005) contains photocopied research material, primarily drawn from Nevada newspapers, photographic prints, Betacam and VHS videotapes with interviews and footage used in the Public Broadcasting System (PBS) series "American Experience: Las Vegas - An Unconventional History," created for the Las Vegas Centennial, Las Vegas, Nevada. Also included are original issues of Look magazine with Las Vegas, Nevada coverage, and a United States Freedom of Information Act (USFOIA) report on Tony Spilotro.

Ronzone Family Papers (1900-1991) include newspaper clippings, business documents, correspondence, certificates, yearbooks, publications, artifacts, and photographs. The papers document their lives in Nevada, their department store, and Dick Ronzone's involvement in local politics.

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 Evan "Ding" Renglehoff Collection of Punchboards (1930s-1940s) is comprised of forty-two assorted punchboards with identifying documentation.

The C. A. Earle Rinker Papers (1880-1960) contain materials that document the history of early twentieth century Goldfield, located in central Nevada, as well as the life of Rinker. Materials in the collection include correspondence, mining prospectuses, maps, ledgers, souvenirs, photographic negatives, and ephemera that document mining and daily life. Also included is biographical material that tells the story of Earle Rinker and his family before 1906 and after 1909, documenting his life in Indiana and Illinois.