The Merck Veterinary Manual   http://www.merckvetmanual.com

A Glossary of Veterinary Terms http://www.bmd.org/health/glossary.html

A Guide to Canine Diseases http://vetvine.com

The Orthopedic Foundation for Animals(OFA) http://www.offa.org

The Canine Health Information Center (CHIC) http://www.caninehealthinfo.org

Board Certified Ophthalmologists https://www.acvo.org/ophthalmologist-search

American Animal Hospital Association https://www.aaha.org/default.aspx

Deafness in Dogs and Cats http://www.lsu.edu/deafness/deaf.htm

Genetics of Deafness https://www.ofa.org/diseases/other-diseases/congenital-deafness

Introduction to Genetics https://www2.palomar.edu/anthro/mendel/default.htm

Havanese Color Genetics http://www.doggenetics.co.uk/

Health Testing – What Does it Mean ? http://www.instituteofcaninebiology.org/blog/what-does-health-tested-really-mean

Utilizing Genetic Tests and Health Screenings in Planned Breedings, by Eddie Dzuik, OFA-COO – View PDF

Interesting Health Articles:

Should a Dog Lick Your face? (The New York Times) http://www.nytimes.com/2016/10/22/us/should-you-let-your-dog-lick-your-face.html?emc=eta1