Patricia McConnell
Best known for "The Other End Of the Leash," her work helped establish positive training techniques.

Fearfuldogs.com
This work by Debbie Jacobs has been enormously helpful for me with my fearful dog. Any dog, and owner, would benefit.

The Dog Talk Diva
Camilla Gray Nelson has been training dogs in California and has tailored her style to address women, because we often don't take control the way a dog needs. By wonderful coincidence, I saw that she was in town promoting her book "Lipstick and the Leash."

Karen Prior Clicker Training, the best research -- the original --about working with a variety of animals

Dr. Ian Dunbar This is his Author's link on Amazon. Great puppy books, Dr. Dunbar has an Academy, Ted Talks, etc. Google him!

No Dog About It
A fun and informative local (MN) blog. You can subscribe and "like" on Facebook.

Dr. Sophia Yin, The Perfect Puppy in 7 Days and others, her site continues her legacy.