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