The United States Pony Club Manual Of Horsemanship Intermediate Horsemanship (C Level) Susan E. Harris
The United States Pony Clubs Manual of Horsemanship: Book 3: Advanced Horsemanship HB - A Levels Susan E. Harris
The United States Pony Club Manual of Horsemanship: Advanced Horsemanship B/HA/A Levels Susan E. Harris