Rentals. In this lavish, photograph-filled guide, Judith Dutson provides 96 in-depth profiles that include each breed’s history, special uses, conformation standards, and more. // -->. N/A. Height (hh) N/A. Smooth, fluid gait in motion. Color. AMHR American We breed, train and show American Miniature Horses and American Shetland Pony's (AMHA, AMHR and ASPC). // -->