References
Anthony, David, Dimitri Telegin, and Dorcas Brown. "The Origin of Horseback Riding." Scientific American 265(6), December 1991, pp. 94-100.
Bongianni, Maurizo. Simon & Schuster's Guide to Horses and Ponies of the World. New York: Simon & Schuster/Fireside Books, 1987.
Coleman, Alix and Steven D. Price. All the King's Horses: The Story of the Budweiser Clydesdales. New York: Viking Press: 1983.
Edwards, Elwyn Hartley, ed. Encyclopedia of the Horse. New York: Crescent Books, 1990.
Hayes, M. Horace. Points of the Horse. New York: Arco Publishing Company, Inc., Seventh (Revised) Edition, 1976.
Hughes, Christine E. and Robert Oliver. Practical Stable Management. London: Pelham Books, 1987.
MacDonald, David, ed. The Encyclopedia of Mammals. New York: Facts on File, 1984.
Sayer, Angela. The Young Rider's Handbook. New York: Arco Publishing, Inc., 1984.
Telleen, Maurice. The Draft Horse Primer. A Guide to the Care and Use of Work Horses and Mules. Rodale Press, Emmaus, Pennsylvania, 1977.
Walker, Ernest et. al. Mammals of the World. Volume 2. Baltimore and London: The Johns Hopkins University Press, Fifth Edition, 1991.