The Antonio Morelli Papers include materials spanning from the 1910s to the 1970s that chronicle the professional and private life of longtime Sands Hotel and Casino orchestra conductor and musical director, Antonio Morelli and his wife Helen. The collection includes snapshots from Morelli's early life, three scrapbooks, one box of sound recording tapes, and a box of slides from Thailand. The collection also documents Morelli’s efforts to provide classical music concerts for the Las Vegas, Nevada community and his involvement with the Guardian Angel Church on the Las Vegas Strip.

The Soroptimist International Sierra Nevada Region Records are comprised of memoranda, newspaper clippings, brochures, and communications from 1975 to 1998. The collection includes information about the Soroptimist International Sierra Nevada Region chapter's involvement with women's rights issues, primarily the Equal Rights Amendment ratification campaign in Nevada and California, as well as national efforts.