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 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 Tom Hawley Papers (approximately 1955-2019) contain the personal papers of Las Vegas, Nevada based traffic and transportation reporter, Tom Hawley. The collection primarily includes physical and digital materials that represent Hawley's interests in Las Vegas history; transportation issues in the Las Vegas Valley, including the Las Vegas Monorail and Resort Corridor Project; and his work as a traffic and transportation reporter for KSNV Channel 3. Materials from KSNV include video clips and transcripts of Video Vault, a segment on the history of Las Vegas hosted by Hawley. Other materials in this collection include ephemera, postcards, newspaper clippings, and memorabilia on Las Vegas entertainment and gaming. The collection also includes papers and memorabilia representing Hawley's activities as a string bass player for the Henderson Symphony Orchestra and files kept by his parents on Marta Becket and the Amargosa Opera House in Death Valley Junction, California.