The collection consists of two watercolor paintings donated and autographed by Las Vegas resident O.C. “Boots” LeBoutillier. The materials were painted and signed by Robert Carlin depicting the crash of Baron Manfred Von Richthofen's (the "Red Baron") airplane on April 21, 1918. LeBoutillier is also depicted in the paintings flying above as the "Red Baron" crashes after being shot down. The paintings were created approximately between 1970 to 1979.

The Dayton, Nevada Gold Discovery Sesquicentennial Commemorative Plate collection (1999) contains one china plate commemorating the sesquicentennial of the discovery of gold in Dayton, Nevada in 1849.

The Chip Chat Newsletters and Catalogues date from 1994 to 2011 and contain Chip Chat issues 1, 2, and 4 through 49. Chip Chat was a newsletter produced by Douglas Saito and circulated throughout the gambling chip collectors' community. The newsletters were self-published by Saito. Generally three copies were produced a year, in some years there was more content, in others less. The newsletters focused on selling chips between collectors, tips for becoming a sucessful collector, the history of chips, and the state of the hobby.

The Human Radiation Experiments Records (1949-1995) contain reports from the National Environmental Policy Act (NEPA), the Advisory Committee on Human Radiation Experiments (ACHRE), and the U. S. Department of Energy (DOE). Also included are newspaper clippings, a court case brought by the National Association of Radiation Survivors (NARS), and cancer research papers. With the goal of building an atomic bomb using plutonium extracted from uranium, the material also examines the outcomes of radiation exposure done on humans during the late 1940s and early 1950s at the Oak Ridge Nuclear Facility in Tennessee.

The Jordan C. Ross Collection on the Food Service Industry dates from 1979 to 2003. The majority of the collection is composed of operations and training manuals used by restaurants and hotels in Southern California. The remainder of the the collection is composed of catalogs for glassware, flatware, restaurant supplies and equipment, clothes, and wine, as well as books and magazines about alcoholic beverages, food service, and hospitality. There is also a small number of menus, business plans, and franchise packets.

The Desert Sculptors Association Records (1913-2015) contain agendas, minutes, reports, financial records, photographs of sculptures, and descriptions of community service projects. There is also a scrapbook that chronicles the organization's activities, members, and various sculptures.

The J.W. Sligar Land Surveying Notebooks (1973-2002) consist of notebooks with measurements, boundaries, construction calculations, and mapping for land surveys of Southern Nevada, principally the Las Vegas Valley. Projects concern both public and private entities. The notebooks were created as a part of J.W. Sligar's work with ALCA Engineering and and Surveying, Inc, as well as for his own company, J.W. Sligar Surveying.