The Thalia Dondero Political Papers (1934-2003), contain correspondence, pamphlets and reports used by Dondero to conduct official business, as well as information on county and city budgets, social and health services, liquor and gaming, planning, public works, environmental impact reports and a large section on water management. Dondero served as a Clark County Commissioner for twenty years and engaged in numerous other civic and political activities. The bulk of the materials are derived from Dondero's last four years in office, 1990-1994, but a few items from Dondero's earlier career are included.

Flora Dungan Papers (1929-1974) contain high school and university records, certificates, newspaper clippings, press releases, notes, correspondence, and booklets about her life and political activism in Nevada. Also included are Legislative materials, an audio cassette tape, a copy of the Nevada Constitution, and an oil painting of Flora Dungan.

The James H. Down Sr. Scrapbooks (1933-1979) contain newspaper clippings and political advertisements about his political and civic involvement in Las Vegas, Nevada.

The Thomas McLaughlin Papers (1937-1985) are comprised of newspaper clippings, photographs, and correspondence about real estate, the Clark County Democratic Party, and local fraternal organizations, especially the Knights of Columbus and the Friendly Sons of Saint Patrick in Las Vegas, Nevada. Materials also include some clippings on McLaughlin's appointment as trustee of the Las Vegas Park Racetrack in 1955.