The Clark County Department of Air Quality and Environmental Management Records (1988-2006) contain materials related to Southern Nevada resource management, air quality, and community planning, particularly related to population growth in Clark County, Nevada. Materials include federal regulations and acts, reports, and land sales, as well as local agency reports, memorandums, workshop pamphlets, maps, and plans.

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.

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 Terry Ritter Collection, dating from approximately 1995-2012, contains six color prints of Ritter's artwork depicting Las Vegas, Nevada showgirls. There is also one convention flier advertising her artwork.

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 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 Alfred Reynolds Robbins Diploma collection consists of one grammar school diploma for Alfred Reynolds Robbins from Goodsprings Grammar School in Clark County, Nevada entitling him to enter any high school in the State of Nevada dated June 1, 1911, and a diploma from Clark County High School from May 26, 1916. This material was formerly known as the Julie Robbins Collection.

The Morton "Mort" Saiger Portraits and News Articles (1960-1987) consists of four newspaper and journal articles about Saiger and the Last Frontier Hotel Casino, two professional photographic portraits of Saiger, and a presentation plaque from the International Golf Club.

The Scrapbook of Newspaper Clippings on Franklin Delano Roosevelt (1945-1951) consists of a single scrapbook of newspaper clippings documenting the death and mourning of President Franklin Roosevelt in 1945. Most of the clippings are derived from the Cleveland Press and The Plain Dealer. A few articles pertain to the first year of the Harry S. Truman Administration and the Korean War.

The Jerry Tarkanian Memorabilia (1990-1992, 2013) contains two plaques, newspaper clippings, two magazine articles, and one photograph.