The K. O. Knudson Photographs (approximately 1920-1969) depict the Las Vegas Grammar School and service, fraternal, and veterans organizations gathered by retired Las Vegas, Nevada school administrator and World War I veteran K. O. Knudson (also known as K. Oscar Knudson). The collection includes images of Knudson, Las Vegas Masonic Lodge members, American Legion members, and school dances. The photographs primarily feature Las Vegas, Nevada.

The Emily Higby Powell Photograph Album (approximately 1910-1920) contains black-and-white photographs taken by Emily Higby Powell on a trip from New York to the west coast. The images depict desert landscape throughout the Southwest, including Northern Nevada, as well as images taken on Lake Champlain in Essex, New York.

The material is comprised of the organizational records of the Imperial Royal Sovereign Court of the Desert Empire and its predecessor, the Royal Barony of the Desert Empire, from 1997 to 2003. The records contain administrative and financial records such as charters, bylaws, financial reports, meeting minutes, correspondence, and publicity documenting the club’s activities in Southern Nevada.

The Dennis and Roberta Sabbath papers are comprised of photographs, newspaper clippings, and ephemera created and collected by Dennis and Roberta Sabbath. Photographs and ephemera document the Sabbaths' personal and social lives and their involvement in the Jewish community in Las Vegas, Nevada. Newspaper clippings document the law career of Dennis Sabbath and his campaign for Nevada State Senate in 1986.

The collection contains material collected by Barbara Tabach to document the final days of the New Frontier Hotel and Casino in Las Vegas, Nevada (2007). Included are brief oral history audio recordings and transcripts for approximately 50 individuals wo worked at or were customers of the New Frontier, as well as over 650 digital photographs of the people and the building. Also included is a digital video of the November 2007 implosion and a Las Vegas Sun newspaper clipping from September 1961 on the New Frontier.

The Station Casinos Publicity Collection (1995-2013) contains magazine articles, newsclippings, and photographs about various Station Casinos properties in Las Vegas, Nevada. A transition report published by Station Casinos in 1998 is also included.

The Charles P. and Delphine Squires Papers from 1882 to 1964, with bulk dates from 1905 to 1964, contain book and short story manuscripts, articles, press releases, newspaper clippings, and radio scripts written by Squires and his wife, all relating to their early life in Las Vegas. Also included are report cards, certificates, Parent Teacher Association material, Mesquite Club records and church activity materials.