The American Hanoverian Society
Representing the Hanoverian horse in the United States, the American Hanoverian Society is committed to adopting and adhering to the breeding standards as practiced since 1735 in the Hannover breeding area of Germany. The Society encourages those standards, promotes the Hanoverian horse in North America and maintains a working relationship as a "daughter" society of the German Hannoverian Verband.

Rheinland Pfalz-Saar International (RPSI)
The RPSI is the official North American extension of the German Verband. Also known as Zweibrücker, the horses receive registration papers from Germany, as well as a Life Number and brand,

Stud-Book sBs
The "Royal Belgian Sports Horse Society", since 1991 better known under the name of Stud-Book sBs, historically has represented Belgium sport horse breeding in the south of Belgium. The interest in equestrian sports, in Belgium as well as abroad, has pushed sBs breeders to improve their breeding by using mares and stallions of quality, often of prominent origin (mainly French but also English, Irish, and German) to form the kernel of the breeding of a modern sports horse. Now Stud-Book sBs puts at the disposal of breeders in North America a new passport, the famous sBs Blue Book.

All Breed Pedigree
Looking for a horse's pedigree? Check out this online pedigree database, courtesy of All Breed Pedigree.