You may not search by anything but state and the number of results you want for each state. After you get a list of shelters in a state, click on the shelter name. You'll get the shelter name, phone number, e-mail address, and city. Pick a breed and how many results you want, and Petjam will return a list of rescue groups. If you want to learn more about cat and dog breeds, check out the breed finders.
Information includes size, friendliness, grooming needs, health issues, trainability, etc.
Plenty of stuff here. Worth a look. Information on about 190,000 people. Information gathered from several places, including naturalization records, land records, court records, and family histories. Includes information on the 35,000 residents of 18th century New Haven.