Events:

Fairhill International Event | Rolex Kentucky Event
Fox Hall Cup | Badminton | Burghley | Blenheim | WEG

Organizations:

US Olympic Home Page
The United States Equestrian Team, USET
The United States Eventing Association, USEA
The United States Equestrian Association, USAE, formerly AHSA
American Horse Trail Foundation, AHTF

Colorado Hunter Jumper Association
Colorado Horsemans's Council
Rocky Mountain Dressage Society
Mountain States Eventing Association
Boulder Valley Dressage