The Matt Gregory Photograph Collection contains color and black-and-white photographic prints, negatives, and slides of musical and dance shows he produced in Nevada and international locations between 1959 and 1985.

The William S. Park Photograph Collection (approximately 1870-1960) consists of black-and-white photographic prints and negatives of the families of William S. Park, John S. Park, and John William Park, as well as photographs of the Thomas children, half-siblings of John William Park's daughter Virginia. The majority of the images show locations in Las Vegas, Nevada with a smaller number taken in Kentucky, Oklahoma, Colorado, and California. Also included are three photograph albums of William S. and John William Park as children.

The Leon Rockwell Photograph Collection (approximately 1850-1979) contains black-and-white photographic prints, negatives, and slides, as well as postcards and tintypes. The images portray the lives of the Rockwell family in southern Nevada, their travels throughout New York and the western United States, and their immediate and extended family members. Also included are images of the volunteer and early firefighters of Las Vegas, Nevada, the Rockwell's family cabin at Mount Charleston, Nevada, and the Rockwell family home in Las Vegas. Portions of the images are from the Rockwell family travels across Nevada, Utah, New Mexico, Arizona, and California and depict historic locations such as Cove Fort, Utah; Rhyolite, Nevada; and Pueblo Grande de Nevada.

The Elizabeth Harrington Photograph Collection (approximately 1910-1959) is comprised of black-and-white and color photographic prints and negatives. The images primarily depict the Kiwanis Club in Las Vegas, Nevada, as well as the Potosi mine in Nevada. Other images depict early Helldorado parades, airplanes at Anderson Field (Rockwell Field), and First State Bank employees. Also included are images of locations in Las Vegas, including Las Vegas grammar schools, the El Portal Theater, El Rancho Vegas, Fremont Street, Overland Hotel, and the Old Arizona Club. Additional images include portraits of Maude Frazier, Ray Lyman, and Arthur Harrington.

The Glenn Davis Photograph Collection (approximately 1914-1960) depicts life in Southern Nevada and the American Southwest. The images were created or collected by Las Vegas photographer Glenn Davis and include images of the construction on the Hoover Dam (formerly known as the Boulder Dam), landscapes, gaming, and residents of the region.

The Beth Daniels-Henderson Collection (1977-1991) is comprised of manuscript drafts and master copies, editor’s notes and notes from fellow authors, research notes, outlines, and book proposals. Beth Daniels-Henderson writes romance novels under the names Beth Daniels, Beth Henderson and Lisa Dane.

The Frank D. Rathbun Photograph Collection dates from approximately 1915 to 1968 and consists primarily of black-and-white photographic prints and some corresponding negatives taken by Frank D. Rathbun and Michael Moen, who resurveyed the various sites Rathbun visited. The majority of the images depict petroglyphs located throughout the desert southwest in Nevada, California, and Arizona, as well as documentary images of the construction of the Los Angeles Aqueduct and the Hoover Dam transmission lines. Additional material includes postcards from areas Rathbun visited in California, Arizona, and Nevada.