The 1963 Official Standard of the Vizsla Breed developed and adopted by the Vizsla Club of America and its members and approved by the AKC on Decembe 10, 1963. (Source: "Vizsla"  American Kennel Club.  The Complete Dog Book.  Breed standards corr. to May 1, 1979.  16th Edition, Second Printing. New York: Howell Book House, Inc.  1980)