The Hank Castro Music Business Records document Hank Castro's career in the music industry in Las Vegas, Nevada from 1969 to 1990. The bulk of the collection consists of original audio recordings from the Las Vegas Recording Studio. The collection also contains legal documents, personal correspondence, and promotional material related to the Las Vegas Recording Studio (1971-1985), songwriter agreements, and sheet music (the majority of the lyrics written by Hank Castro) from artists represented by the Las Vegas Recording Studio and Castro's other companies.

The Kim Sisters material date from 1959 to 1966 and 1983. It consists of two scrapbooks and one folder of photocopied materials containing newspaper clippings about the appearances of the Kim Sisters muscial group throughout the United States as well as Italy, Germany, and Spain. It also includes two record album sleeves.

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 Eileen Brookman Photographs depict Nevada Assemblywoman Eileen Brookman from 1959 to 1989. The photographs primarily depict Brookman with other Nevada politicians, including U.S. Senators Harry Reid, Alan Bible, Eugene McCarty, and Howard Cannon, and Nevada Governors Paul Laxalt, Mike O’Callaghan, Richard Bryan, and Grant Sawyer. The photographs also depict Brookman at political events with the Nevada National Guard, bill-signing ceremonies, and at events in Las Vegas, Nevada.