The Leprechaun Mining and Chemical, Inc. Records from 1954 to 1998 contain business information, Foot Chemical Company partnership documentation, meetings, audit and investment reports, financial papers, and stock certificates and transfers. Also included is data on the minerals mined in Nevada, such as salt, potash, and lithium.

The Young Electric Sign Company (YESCO) Corporate Records (1914-2000) document the history of the Young Electric Sign Company (YESCO) and is comprised of photographs of sign production and finished signs, negatives, slides, transparencies, anniversary scrapbooks, and videotapes. The collection also contains meeting minutes, correspondence, price books, drawings, calculations, newspaper and trade magazine articles on YESCO, advertising materials, and oral history interviews and audio recordings of YESCO designers and executives. YESCO is responsible for many of the neon signs in and around Las Vegas, Nevada and Reno, Nevada, as well as other Western states.

The Mabel Hoggard Papers (1903-2011) contain materials related to Hoggard's career as a Las Vegas, Nevada elementary school teacher, her research and civic interests in Las Vegas's predominantly African American Westside communities, and her engagement with civil rights issues. The collection also contains materials about Hoggard's life, including biographical newspaper articles about her childhood, education, work, and family. The collection includes lesson plans, scrapbooks, awards, correspondence, photographs, and physical objects such as a vinyl record and political pins. The bulk of the collection focuses on her life in Las Vegas from approximately 1946-1989.