Border Collie Dog Training - Think Like a Dog, But Don't Eat Your Poop!: Here's EXACTLY How To Train Your Border Collie: Pearce, Mr. Paul Allen, Pearce, Mr. Paul Allen: 9781497594371: Amazon.com:
How To Train a Border Collie Puppy – The Ultimate Guide — Zigzag Puppy Training App
Question regarding toilet training : r/BorderCollie
Border Collie Dog Training Audio Book: Crate, Obedience, Diet, & Potty Training a Puppy by Brian Mahoney