D READING • "The Vizsla: by B. C. Boggs, Glenbrier Publishing, P. O. Box 1844, Chillicothe, OH 45601. (614) 772-2000. • "The Versatile Vizsla; by Marion Coffman. "Your Vizsla; by Strauz & Cunningham. Alpine Publishing, P O. Box 7027, Loveland, CO 80537 (800) 777-7257. • "Vizslas; by E. Hart. T.F.H. Public