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 Alan Byron Olson Photographs (approximately 1933) consist of one negative album containing 100 photographic negatives taken by Alan Byron Olson around 1933 that depict the Hoover Dam (then known as Boulder Dam) and the Boulder City Hospital. Olson was a medic for the Boulder City Hospital and the images also depict various hospital staff and other locations related to Hoover Dam. The collection also includes digital copies of the negatives.

The JMA Architecture Studio Records are comprised of architectural records (1953-2002) created by the American architect Jack Miller and/or his architectural firm, known as both Jack Miller & Associates, Architects, & Engineers, Inc and JMA Architects, Inc. This collection includes 30.25 linear feet of materials documenting work on over 250 projects. The collection focuses on Las Vegas and Reno, Nevada. The materials feature photographs of the firm’s projects and hand-drawn architectural drawings, ranging from pencil and ink on tracing paper preliminary sketches to ink on Mylar (TM) construction documents. The drawings also contain work from a number of consultants, engineers, and other architects who collaborated on the development of the various projects. The collection includes architectural drawings for hotels, casinos, integrated casino resorts, office towers, multi-family residential developments, and custom single-family homes.