The Florence Lee Jones and John Cahlan Papers (1929-1983) contain material created by the couple related to their work at the Las Vegas Review-Journal, their interest in the history of Las Vegas, Nevada, and the promotion of Southern Nevada for business and industry. The collection includes the Cahlan's correspondence as well as newspaper clippings about Las Vegas. It also contains drafts and manuscripts for their book, Water: a History of Las Vegas, commissioned by the Las Vegas Valley Water District.

The Marie and James B. McMillan Papers (1928-2010) primarily contain documents pertaining to the families and careers of Marie and James B. McMillan. Included in the collection are photographs, biographical materials, newspaper clippings, award certificates, programs, obituaries, scrapbooks, trophies, legal and military documents, and political campaign documents. Marie McMillan is a former Las Vegas, Nevada flight instructor and one of the first women to work at the Nevada Test Site in Nye County, Nevada. James B. McMillan was the first African-American dentist to practice in Nevada, as well as a prominent Nevada civil rights leader.