The James Cashman Sr. Photograph Collection (approximately 1905 to 1975) consists of black-and-white photographic prints, negatives, slides, and albums as well as a glass plate negative. The photographs depict four major subjects: Cashman's family, friends, and associates; Cashman's businesses; the Hoover Dam and Colorado River; and various locations across Nevada.

The Mike Smith Editorial Cartoons (1980-2023) contain editorial cartoons created by Las Vegas, Nevada based cartoonist Mike Smith for the Las Vegas Sun newspaper. Materials include Smith's editorial cartoons on NASCAR and a copy of his 2003 book StockcarToons. The collection also includes Smith's personal sketchbooks and letters from fans.

The Florence McClure Papers (1969-2007) are comprised of writings, correspondence, newspaper clippings, handwritten notes, and assorted publications that focus on McClure's work with women's organizations, her efforts on behalf of the Southern Nevada Women's Correctional Facility, and her political advocacy work. It also contains a large number of reference clippings McClure collected on women's issues from local, national, and international publications.

The Senator Chic Hecht Political Papers (1943-1988) contain the political papers of United States Senator and Las Vegas, Nevada businessman Chic Hecht. The bulk of the collection contains legislation, notes, correspondence between Hecht and constituents and other members of Congress, and speeches from Senator Hecht's term in the Senate from 1982 to 1988. Also included are files on civil service, the federal budget, education, labor, transportation, land management, foreign policy, public health, and trade.

The Zelvin Lowman Papers (1938-2001) contain the papers of Assemblyman Zelvin "Zel" Lowman who served in the Nevada State Legislature from 1967 to 1977. Included are court records, publications, correspondence, reports, and newspaper clippings pertaining to his time in office. Subjects include the Clark County School District, school busing, water and air quality issues, capital punishment, medical malpractice, mental health legislation, and the Equal Rights Amendment (ERA). The 2018 addition includes newspaper clippings, awards, citations, school records, photographs, occasional cards, invitations, and extensive material on the Lowman's involvement with the Boy Scouts and Girl Scouts of America. Also included are books written by Zel Lowman about scouting and the Presbyterian Church.