The Harvey L. Daiell Papers (1855, 1953) contains a diploma of Euphasia Humphrey (a distant family member of Daiell) from Rogersville Union Seminary, dated June 21, 1855, and a brief genealogy of the Daiell and Humphrey families. The collection also contains a bound book of letters titled "Howard D. Evans - His History at Lakeside Laboratories As Told by His Friends," compiled by Daiell in 1953.

The Norman C. Jensen Collection, dated from 1867 to 1968, contains documents discovered by Norman C. Jensen at Fort Taylor, Florida. The collection includes a copy of the "Report of a Guard Mounted at Fort Jefferson, Florida on May 28, 1867" that describes four individuals accused of conspiracy in connection with the assassination of President Abraham Lincoln. The collection also contains an original report entitled "Quarterly Report of Artillery Inspection of Fort Taylor, Florida" dated December 31, 1903, and Lt. Col. Jensen's notes explaining the military abbreviations contained within the original report.

The Barbara Tabach Papers (1978-2022) mainly contain project files kept by oral historian Barbara Tabach throughout her experiences managing different oral history community documentation projects for the Oral History Research Center at the University of Nevada, Las Vegas (UNLV) from 2010 to 2022. Oral history projects represented in this collection include Documenting the African American Experience in Las Vegas, Nevada, Southern Nevada Jewish Heritage Project, Latinx Voices of Southern Nevada, Remembering 1 October, and The Great Pause: Las Vegas Chronicles of the Covid-19 Pandemic. The majority of the collection represents Tabach's involvement as project manager for the Southern Nevada Jewish Heritage Project. Other materials include correspondence, newspaper clippings, event invitations, interview questions, memorabilia and books gifted to Tabach from oral history narrators, and publicity for the projects.

The Opus Dance Ensemble of Las Vegas Collection (1988-1996) contains the newsletters and bi-annual concert programs for the Las Vegas, Nevada nonprofit dance organzation. The organization was comprised of dancers and choreographers from various leading Las Vegas production shows, and held bi-annual performances at the Tropicana Hotel.

The Clark County Attorney General Files on the Howard Hughes Estate (1976-1978) contain files of legal correspondence, newspaper clippings, and letters received from private individuals by the Attorney General's office regarding Howard Hughes' will after his passing in April 1976. The files were collected by Clark County District Attorney George E. Holt.