Bibliography   Books and official manuals Fedération Équestre Internationale. Rules for Dressage Events. 21st ed. 2003.  German National Equestrian Federation. Advanced Techniques for Dressage. Kenilworth Press, 2003.  German National Equestrian Federation. The Principles of Riding: Basic Training for Horse and Rider. Kenilworth Press, 2005.  Waran, N., P. McGreevy, and R. A. Casey. “Training Methods and Horse Welfare.” In N. Waran, ed., The Welfare of Horses. Springer, 2004.  Journal articles and academic papers Clayton, Hilary M., and S. J. Hobbs. “The Role of Biomechanical Analysis of Horse and Rider in Equitation Science.” Applied Animal Behaviour Science 190 (2017): 123–132.  Clayton, Hilary M., Rebecca MacKechnie‑Guire, and [...]