The Betty Henderson Professional Papers (1963-1985) are comprised of materials produced by Betty Henderson in her capacity as a private music teacher in Las Vegas, Nevada and as a member of the Nevada Music Teachers Association (NMTA). The collection includes scrapbooks of concert programs and NMTA events, materials from Henderson's experiences in Europe as a People-to-People ambassador with the Music Teachers National Association, and recordings on reel-to-reel tapes of concerts Henderson performed in or judged.

The Las Vegas High School Reunion Biography Collection (1983) consists of class rosters, biographies of graduates, and photocopies of original programs from the four graduating classes of 1933 to 1936. The information specific to each year is compiled into its own handmade scrapbook. The materials were created for the 50th reunion of the class of 1933, and the event also included the classes of 1934, 1935, and 1936.

The George Kelly Ryan papers (1921-1971) contain correspondence inquiring about Octavius Decatur "O. D." Gass, newspaper clippings from 1929, handwritten recollections of the Gold Ranch by Laura Royce, and a San Pedro, Los Angeles and Salt Lake Railroad Company information, including information on wash-outs in Nevada.