The Aplin Family Scrapbooks (1927-1971) consists of four handmade scrapbooks compiled by Hilda Aplin. The scrapbooks contain photographs, correspondence, newspaper clippings, and handwritten captions. The majority of the collection focuses on Hilda and Charles Aplin’s involvement in the Fraternal Order of Eagles and Las Vegas Eagles Auxiliary #1213. Also included is a photograph album that details the family’s activities from 1927 to 1959, including notable locations around Las Vegas, Nevada such as Lake Mead, Hoover Dam, Mt. Charleston, and annual Helldorado parades.

The Ralph Roske Papers (1957-1989) consist of Ralph Roske's book manuscripts, lecture notes, and correspondence. The collection includes extensive lecture notes on the United States Civil War, United States history, and Nevada history. It also includes Roske's research and manuscripts on Nevada, California, and the United States Civil War, as well as student

papers. Ralph Roske was a professor of history at the University of Nevada, Las Vegas (UNLV).

The Helen J. Stewart Photographs depict the Stewart Family from approximately 1860 to 1950. The photographs primarily depict Helen J. Stewart and her children as well as the Stewart Ranch (also know as the Las Vegas Ranch) in Southern Nevada. The photographs include the early Las Vegas, Nevada town site, landscapes of Southern Nevada and the American Southwest, mines and mining camps, railroads and railroad workers, the Las Vegas Fort (also known as the Old Mormon Fort), hotels and early businesses in Las Vegas, Native Americans and Native American artifacts, and postcards.

The Harmon Family Papers consist of the political and personal correspondence of Las Vegas, Nevada pioneer Harley A. Harmon from 1910 to 1934, and his son, Harley E. Harmon, from 1950 to 1966. The collection also includes correspondence, personal papers, and photographs of Harley L. Harmon from approximately 1950 to 1999. Also included are family scrapbooks with wedding announcements, photographs, birthday cards, newspaper clippings, and other ephemera.