The Syphus-Bunker Papers date from 1891 to 1994, with the majority of the collection consisting of correspondence between Mary Etta Syphus and John Mathieson Bunker from 1891 to 1895. The collection also contains correspondence from friends and relatives, and documentation related to Mary Etta Syphus' attendance at Brigham Young Academy Church Normal Training School. Other materials include family history information and two color photographs of family homes. The collection also includes typed transcripts of the correspondence.

The Jack Schofield Papers are comprised of Dr. Jack Lund Schofield's scrapbooks, photographs, and awards from 1968 to 2014. Dr. Schofield was a Nevada System of Higher Education (NSHE) regent, member of the Nevada legislature, and teacher. The scrapbooks document Schofield's involvement with the University of Nevada, Las Vegas (UNLV) Aerospace program from the 1960s to the 1990s. The awards and photographs are from NSHE and document Schofield's involvement as a regent.

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.