WHO Veterinary Vaccines: http://www.who.int/rabies/veterinary_vaccines/en/index.html
USDA Animal and Plant Health Inspection Service (APHIS): http://www.aphis.usda.gov/animal_health/vet_biologics/
Licensed Veterinary Biological Products: http://www.aphis.usda.gov/animal_health/vet_biologics/vb_licensed_products.shtml
More links:
