The Thomas J. Osborne Photograph Collection (approximately 1890-1930) consists of black-and-white photographic prints, negatives, and slides. Images depict the family of Thomas J. Osborne, his law office, the family home, and views of the town of Pioche, Nevada and surrounding areas. Several images depict local mines and unidentified mine workers.

The Dr. Howard Zellhoefer Collection of Artwork contains three paintings collected by Dr. Howard William Zellhoefer. Two paintings are by K. Nakamine of landscapes in Okinawa, Japan from 1949, and the third painting is a 1962 Ferdinand Burgdorffof a desert landscape, possibly Mojave Desert, California.

The William Fulton Papers (1993-1996) contains Fulton's research files used in writing his book, The Reluctant Metropolis: the Politics of Urban Growth in Los Angeles. The materials primarily consist of newspaper clippings that cover stories on the growth of Los Angeles residents moving to Las Vegas, Nevada, water, economic development, and the master planned community of Summerlin. The majority of newspaper clippings are from the Las Vegas Review-Journal and the Las Vegas Sun. The materials also include reports on economic and housing development in Southern Nevada as well as drafts of the book's Chapter 12, "Cloning Los Angeles" which discusses the growth of Las Vegas throughout the 1980s and 1990s.