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 -- Eligible for Stallion Book I after 30 Day Test and/or Performance Results and/or 70 Day Test
   - Stallions A - F
   - Stallions G - L
   - Stallions M - Z

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

Palomino Book Stallions

Pony Stallions Stud Book I