Don't forget the rescue groups for chi's and yorkies.

http://www.unitedyorkierescue.org/
http://www.yorkshireterrierrescue.com/
http://www.yorkshireterrierrescue.net/
http://www.chihuahua-rescue.com/postit/ohioregion.htm
http://www.adoptablepets.net/index.html#dogs

These are just a few of the rescue sites I found.