The Lamar and Patricia Marchese papers (1959-2015) contain awards, correspondence (both professional and personal), a Clark County Services and Facilities Directory, newspaper and magazine clippings, pamphlets, Parks and Recreation information, KNPR events and newsletters, art exhibits brochures, and musical performances brochures. The collection chronicles the contributions of the long-time Las Vegas community leaders through photographs, speeches, an interview done with Lamar Marchese, professional papers, audiovisual materials, Las Vegas Centennial Board (LVCB) end of year report, and a LVCB book.

The Maurine and Fred Wilson and Dr. William S. Park Audiovisual Collection (approximately 1900s-1970s) consist of audiovisual material created by the Wilson and Park families. The materials depict the Park homes in Las Vegas, Nevada; Park and Wilson family members; outdoor activities and vacation trips to California, Colorado, and Mexico. The collection also documents early views of the Kiel Ranch in Las Vegas, Nevada, community parades and events, and early views of Las Vegas in the 1920s.

The Elizabeth von Till and Claude N. Warren Professional Papers (1916-2021) are comprised of the personal and professional papers of anthropologist Claude N. Warren and historical preservationist Elizabth von Till Warren. The materials in this collection primarily consist of research files, maps, and drawings on various archaeological and historical preservation projects in southern Nevada of which they both were involved. This collection includes field notes and surveys from archaeological projects such as the Old Las Vegas Mormon Fort and the Las Vegas Springs Preserve. Records on von Till Warren's involvement with the Old Spanish Trail Association, Southern Nevada Historical Society, and historic preservation work around southern Nevada are represented. Also included are Robert H. Crabtree's archaeological research files, a colleague of Claude Warren who bequeathed his professional files to him upon his death.