Sagedust 

Specifically Shelties

Breeder links(off site)
Long Island Sheltie Rescue
National Registry of Sheltie Rescue
Dallas/Ft Worth Sheltie Rescue
Jacksonville Sheltie Rescue
Canadian Shetland Sheepdog Club Rescue Page
ASSA Rescue Page
American Shetland Sheepdog Association
Sheltie Pacesetter
The Sheltie Page
Canadian Shetland Sheepdog Association

Succintly Schipperkes

Southern Michigan Schipperke Club: rescue
The Schipperke Pages
 

Only Old English

For the Love of Sheepies
The Southwest Old English Sheepdog Rescue
 

Reserved for Rotties

Southern Ontario Rottweiler Club
American Rottweiler Club
The Rottweiler Home Page

Other Stuff 

Cornell University