The James Cashman Sr. Papers date from approximately 1890 to 1969 and contain correspondence, photographs, insurance records, and bank records related to Cashman and his businesses in Southern Nevada. The collection documents the lives of the Cashman family and their businesses in southern Nevada.

The Doris Hancock Photograph Collection (1882-1987) contains photographs of Las Vegas, Nevada educator Doris Hancock and her family. The collection includes images of Southern Nevada and surrounding areas, particularly the mining town of Rhyolite, Nevada, the Colorado River, the Hoover (Boulder) Dam, Red Rock Canyon, early Las Vegas, and Death Valley, California.

The Leslie H. Smith Papers (approximately 1920-2018) contains the personal papers of Leslie H. Smith, who grew up in Las Vegas, Nevada, and mainly documents his involvement with the Las Vegas High School Alumni Association organizing and attending the school's annual reunions. The collection includes personal papers, scrapbooks, and photographs documenting Smith's family, including his father Dr. J. D. Smith, his mother Ruth Weir Smith, and his sister Jeanne Smith Stewart. Reproductions of class photographs from the Las Vegas Grammar School (now known as the Historic Fifth Street School) where Smith attended elementary school are also included this collection.