https://www.avma.org/professionaldevelopment/education/specialties/pages/default.aspx
https://www.avma.org/ProfessionalDevelopment/Education/Specialties/Documents/ABVS%20FAQs.pdf
http://veterinaryspecialtycare.com/faq.php
https://www.avma.org/KB/Policies/Pages/AVMA-Guidelines-on-the-Identification-of-Board-Certified-Veterinarians.aspx
Please have a list of boards used to certify these specialists available to the general public example
American College of Zoological
Medicine
American College of Veterinary Pathologists
American College of Veterinary Internal Medicine
American College of Veterinary Ophthalmology
American College of Veterinary Radiology
American College of Veterinary Surgeons