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.

The Southern Nevada Community Concerts Association (SNCCA) Records (1939-2004) document the activities of the SNCCA and consist of meeting minutes, financial records, correspondence, promotional papers, newspaper clippings, scrapbooks, photographs, and recordings of select concerts on VHS, Betamax, and an optical disc. The SNCCA worked to bring various singers, orchestras, and ballets to the communities of Las Vegas and Southern Nevada.

The Nevada Mining Collection is comprised of records that document mining and mines in Nevada from 1842 to 1966. The majority of the collection includes records of various mines and mining companies located in the Esmeralda, Lincoln, Clark, White Pine, and Nye counties, dating from 1900 to 1928. The collection includes financial, administrative, and business related records; photographs of miners, mining camps, and towns; correspondence; maps; newspaper clippings, pamphlets, newsletters, and booklets.