The Joseph LaMar Foremaster Photograph Collection includes black-and-white photographic prints and negatives of structures at the Old Ranch (Stewart Ranch) in Las Vegas, Nevada from approximately 1920 to 1939 when the Foremaster family lived and worked on the land.

The Leon Rockwell Papers (1829-1986), consist of materials that document Leon Rockwell's life in Las Vegas, Nevada from 1906 until his death in 1968. Included are diaries, correspondence, photographs, postcards, Las Vegas community event programs, ledger sheets, business cards, and scrapbooks. There are a number of books, information on organizations and businesses that Rockwell owned, real estate documents, and early records of the Las Vegas Volunteer Fire Department, of which Rockwell was an original member.