The Michael S. Mack papers (approximately 1940s-1950s, undated) consist of photographs and documents related to the early Jewish community of Las Vegas, Nevada. Group photographs depict the Mack family and the Las Vegas Jewish community at events during the 1940s and 1950s, when the Las Vegas Jewish Community Center was the main Jewish organization in town. Individuals in the photographs were identified by Michael Mack. The collection includes documents written by Michael Mack that describe the early Las Vegas Jewish community and the history of his father and uncles, Louis, Nathan, and Harry Mack. The documents also list the names of Jewish individuals and businesses in Las Vegas.

The Humanist Organization of Las Vegas and Southern Nevada (HALVASON) collection contains newsletters from February 1998 to September 2008. Some years are missing issues. There is one folder of related newsletters.

The Union of Black Episcopalians Las Vegas Chapter Records, dating from 1993 to 2014, contain the organization's charter, bylaws, constitution, awards, Kwanzaa activities, the teachings of Absalom Jones, photographs, and sponsored activities.

The Association of Women in Science, Las Vegas, Nevada Chapter Records date from 1976 to 1999 and cover DeLyle Eastwood's effort to create a local chapter of the Association of Women in Science (AWIS), the completion of this goal, and the proceedings of the Las Vegas AWIS chapter. The mission of the chapter was to help women in science career fields, both in the industry and university setting, achieve success in their fields. The AWIS also held seminars to spark early interest in science for young girls. The collection contains chapter correspondence, newsletters, and mentoring materials.

The Vista Group records are comprised of The Vista Group's legal, financial, and correspondence records from 1986 through 2001. The records include information about real estate developments The Vista Group was involved with in Las Vegas, Nevada. The majority of the records are financial and legal documents related to The Vista Group's ventures.

The collection contains materials (1967-1991) collected by Sheilagh Brooks predominantly during her time serving on various boards and committees under the Nevada Division of Historic Preservation and Archaeology. Materials include agendas, meeting minutes, correspondence, administrative reports, policies, budget plans, grant applications and guidelines for various federal and state departments. The collection also contains the applications of Nevada sites for the National Register of Historic Places.

The Hal Erickson Correspondence (1967-1993) documents Erickson's role in higher education at the University of Nevada, Las Vegas (UNLV). The collection includes letters addressed to Hal Erickson from various Nevada politicians and educators relating to the possible acquisition of materials for the UNLV Special Collections and Archives, service on various boards, and congratulations on his impending retirement. The collection also includes materials that document Erickson's involvement with the national and Clark County Democratic conventions.