SISTE:

USA/Canada: Organisasjoner

California Harness Horsemen`s Association

(http://www.chhaonline.com/)

Hambletonian

(http://www.hambletonian.org/)

Harness Edge

(http://theharnessedge.com/)

Standardbred Canada

(http://www.standardbredcanada.ca/)

USTA (amerikanske travselskap)

(http://www.ustrotting.com/)