Westfalen Horse Association - Supports and promotes the breed in the United States. Offers membership information and forms, a stallion directory, policies, performance award standings, and news. - http://www.wwwarmbloods.com/westfalen/
Westfälische Pferdestammbuch e.V. - Official Westfalen breed registry. Provides auction and show schedules and results, plus a stallion directory. Available in English and German. - http://www.westfalenpferde.de/