The horse educator : introducing a new and practical system of educating horses and breaking up vicious habits : containing many valuable recipes ... also, remarks on shoeing and the rules of the Union Course, L.I - Pratt, O. S., (New York, Press of Anderson & Delano, 1869)
https://www.biodiversitylibrary.org/bibliography/29602
Keywords: Horse racing|Horses|Horseshoeing|Rules|Training|Veterinary drugs|