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.

The Howard Cannon Photograph Collection (1950-1983) contains photographic prints, negatives, and one slide featuring Senator Howard Cannon at various political and publicity events with military personnel, political colleagues, and constituents primarily in the state of Nevada. Other photographs feature Cannon at political and publicity events outside of Nevada including California, New York, Florida, Oregon, and Washington, D.C.