The Edythe and Lloyd Katz Photographs (1947-1986) contain photographs of the businesses operated by Las Vegas, Nevada entrepreneurs Edythe and Lloyd Katz. The photographs primarily depict the movie theaters purchased by the Katz Family, including the Guild Theatre (formerly the Palace Theatre) and the Fremont Theatre. The photographs also depict the Katz Family and the Helldorado Days parade.

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.