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?
There are more people hurt by bison than by bears each year in Yellowstone. Park regulations state that visitors must stay at least 25 yards away from bison or elk and 100 yards away from bears.