RPSI stallions may be graded into Stud Books I or II, depending on pedigree, inspection scores, 30-day stallion test and performance results. Stud books also exist for Sport Ponies, Knabstruppers and Palominos. Learn more about the Stud Books and stallion eligibility requirements.

Stud Book I Stallions
   - Stallions A - F
   - Stallions G - L
   - Stallions M - R
   - Stallions S - Z

Stud Book II Stallions

Sport Pony Stallions

Knabstrupper Stallions

Palomino Stallions