PA State Horse Racing Commission - Has general jurisdiction over all pari-mutual thoroughbred activities in the Commonwealth and the corporations engaged therein. Includes information on meetings and events. - http://www.agriculture.state.pa.us/agriculture/cwp/view.asp?a=3&q=128999
Pennsylvania Equestrian - Publisher of equestrian news magazine, Pennsylvania Equestrian. Organizer of annual horse farm open house featuring locations in Southeastern Pennsylvania. - http://www.pennsylvaniaequestrian.com/