Chicken Egg 17
Songster
Try Petfinder.com. They have filters for size, age, breeds, etc, so you should be able to find something there.
I have already checked there and entered our zip code and it brought up a bunch of different shelters after I searched all of there dogs just by size age and everything, and clicked on almost every shelter and scrolled down through every pet each shelter had, I have checked pennswoods, Craigslist Facebook, petfinder, Lancaster puppies.com I have also checked he newspaper