Managing the Matcheless Wonders—A History of Administraton Development in Yellowstone National Park, 1872-1965 - By Kiki Leigh Rydell and Mary Shivers Culpin, Yellowstone Center for Resources.
A History of Concession Development in Yellowstone National Park, 1872-1966 - By Mary Shivers Culpin, Yellowstone Center for Resources.
Yellowstone National Park, Its Exploration and Establishment - An online Yellowstone history book by Aubrey L. Haines.
Did You Know?
At peak summer levels, 3,500 employees work for Yellowstone National Park concessioners and about 800 work for the National Park Service.