The collection, 1949 to 2006, was compiled by Clifford Olsen, a containment physicist at the Nevada Test Site (NTS). It consists of research notes and working papers written by Olsen and other scientists, publications, epoxy aggregate samples, work-related correspondence, nuclear-test-event data, and interviews conducted by Olsen with work colleagues involved with the NTS.

This collection is comprised of personal papers and photographs of Reverend Maureen E. Mackey, M.D., physiatrist and co-founder of Rainbow Praise Church in Las Vegas, Nevada. The collection contents span the dates of 1922 to 2014 and details Dr. Mackey's life, including her educational accomplishments, personal life, and religious life. This collection also contains personal papers and photographs of Dr. Mackey's twin brother, Thomas Mackey, III, who passed away from AIDS in 1992. This collection also contains various photographs of Dr. Mackey's parents and family.

The Julian Taber Collection on Gambling Addiction (1977-1988) includes papers, proposals, internal reports, memoranda, and newspaper articles chronicling the work of Julian Taber, an early specialist in the field of gambling addiction. The majority of the collection relates to Taber’s work and pilot programs at the Brecksville Veterans Administration (VA) Hospital in Brecksville, Ohio, with select materials pertaining to an alcohol dependency treatment program he coordinated at the VA hospital in Reno, Nevada.

The Las Vegas High School Class of 1929 Collection (1921-1979) contains materials relating to the Las Vegas High School graduating class of 1929. Materials include a scrapbook with photographs, pamphlets, fliers, and newspaper clippings from the thirtieth, fortieth, forty-fifth, and fiftieth reunions, as well as poster boards and oversized photographs from the 1920s.

The Elmer R. Rusco Collection on Ethnicity and Race in Nevada (1964-1972) contains correspondence, court cases, employment information, and research materials compiled by Rusco for a book he was writing on race relations in Nevada.

The Jane Ham Legislative Papers (1980-1981) document the legislative activities of Nevada Republican Assemblywoman Jane Ham during the 1981 legislative session. The collection consists of Legislative Bureau correspondence, memos, pamphlets, and draft legislative bills. Also included are reports, studies, and informal polls from private individuals and lobby groups expressing response to pending legislation.

The Ken Hanlon Jazz Music Manuscripts (approximately 1975-1990) is comprised of jazz music compositions that were gathered by the Arnold Shaw Popular Music Research Center at the University of Nevada, Las Vegas (UNLV) in Las Vegas, Nevada. The collection includes several scores and arrangements from Hanlon's ensembles, including the UNLV Jazz Band, Seventy-Six Trombones Ensemble, and the Si Zentner Ensemble.