Dogs Through the Door 
Kirstie's eduction site

Caitlin J. McColl
Caitlin's education site

Tails of the World Collective
Self-Publishing for Photographers

Nice Chat Let's Book
Facebook Messenger Automation education  

Real Shoots (Special Offer)
Learn and/or improve your pet photography
with this video series by Charlotte Reeves

Photobiz Xposed Podcast
Weekly business of Photography Podcast

Hair of the Dog Blog
Fantastic education resource and
a business course for new pet photographers

Professional Pooch
Educational videos for pet photographers

Guide to Commercial Photography