Here are some sites that you might enjoy visiting:

Clover Leaf Kennel

Stockdogging in Idaho

Ground Mutton/Lamb:  If you are following the BARF diet, here is a website that has USDA certified ground Mutton and Lamb.  (scroll down to dog-pack)

Helsley Ranch

Harlow's Hills West Coast

Kelley Creek Farm

The American Border Collie Association (ABCA)

Oregon Sheep Dog Society

InterMountain Stock Dog Association

United States Border Collie Handlers Association (USBCHA)

The International Sheep Dog Society

Border Collies In Action! Catalog

The Shepherd's Crook, a site that is loosely dedicated to the preservation and glorification of the art of making the Shepherd's Crook

Spring Creek Organic Farm - Romney sheep

Sheep Breeds find many breed description, sorted by name