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.

The Culinary Workers Union Local 226 Las Vegas, Nevada Photographs document various activities of the Culinary Union, from the 1950s to 2006, with the bulk of the material documenting the 1990s. Prominently featured in the collection are various strikes, pickets, marches, parades, rallies, and demonstrations from the late 1980s to early 2000s. A large portion of these photographs documents the Frontier Strike of the 1990s. Also included are photographs of press conferences, political rallies, internal committee meetings, Hotel Employees and Restaurant Employees (H.E.R.E.) conventions, and various social events. Materials contain photographic prints, photographic negatives, and a small number of slides.

The John R. Klai II, FAIA Papers (1983-2024) are comprised of the personal papers of American architect, John R. Klai II, FAIA. Materials include commendations presented to Klai for his achievements in the architecture and interior design profession from organizations like AIA Las Vegas; the National Council of Architectural Registration Boards (NCARB); and the Nevada State Board of Architecture, Interior Design and Residential Design. The collection also includes digital images of plaques and trophies presented to Klai for his philanthrophic work in the Las Vegas community. The professional files in this collection include publications featuring the work of Klai Juba Wald architecture + interiors, Klai's 2015 AIA Fellowship submission portfolio, magazine features about Klai, and a commemorative photo book of Klai Hall at North Dakota State University. Also included are a small number of Klai's personal sports memorabilia, including tickets for NCAA men's basketball tournaments in 1987 and 1989.