Puppyfinder 
Puppy breed selector, puppy advice, and tips, breeder directory and current dog news- all helpful resources for those who plan to buy a dog.
http://www.puppyfinder.com/Dog Infomat 
Includes information on choosing a dog- mixed breed or purebred? Puppy or adult? Network listings for best places to get your dog (shelters, rescues, breeders).
http://www.doginfomat.com/breedsintro.htm
SoYouWanna Pick the Right Dog for You? 
This article gives advice on breed selection, where to look for a dog, and spay and neuter information.
http://www.soyouwanna.com/site/syws/rightdog/rightdog.html
Finding the Right Puppy or Dog 
Description of how to choose a dog breed, breeder, and rescue group. Links in each area to breed lists, Rescue organizations by breed, common health conditions to be aware of, and some puppy aptitude tests, which can help in the selection process.
http://hometown.aol.com/debradownsth/index.html
A Dog for the Family 
Learn the basics as you search for the perfect dog for your family. Tips on choosing a breed, which breeds are best with children and how to locate a good breeder. Helpful glossary of often-used terms in classified ads promoting dogs for sale.
http://www.virtualimpax.com/klhh
Buying A Puppy? 
Written by a breeder. Includes warning signs to watch for and questions to ask when purchasing a puppy to avoid unscrupulous breeder tactics.
http://www.buyingapuppy.com
Choosing The Right Dog 
Article from the Humane Society of the United States explains what to look for in both personal lifestyle and dog traits to ensure a good match.
http://www.hsus.org/pets/pet_adoption_information/choosing_the_right_dog.html
Before You Buy or Adopt 
Article from "The Dog Breed Info Center," focusing on choosing the right dog based on personal lifestyle. Additional related articles also available. Breed specifics, a selection quiz and Rescue Organization contact information listed by breed and state.
http://www.dogbreedinfo.com/beforeyoubuy.htm
Choosing a Dog For Your Lifestyle - Dogsindepth.com 
Encyclopedia of world dog breeds with photos, in depth information, and a guide to help select the best dog breed for one's lifestyle.
http://www.dogsindepth.com/choosing_a_dog.html
Selecting a Dog Breed 
A collection of articles and FAQs regarding dog breed selection.
http://www.k9web.com/dog-faqs/selecting-a-dog.html
Dog Paw Print 
Helping families to find child-friendly breeds to fit their lifestyle. Includes articles on breed group characteristics, a selection quiz, coloring pages, and stories.
http://www.dog-paw-print.com
Puppymills.com 
What to look for when purchasing a dog, and what not to do. How to find a good breeder. Includes questions to ask a breeder and other helpful articles.
http://www.puppymills.com/
Selecting the Family Dog, How To Find the Dog of Your Dreams - Petfinder Library 
Article by Jacque Lynn Schultz, C.P.D.T., Companion Animal Programs Adviser. National Shelter Outreach, ASPCA. Discusses the many ways that individuals find a dog, alng with their advantages and disadvantages, as well as caretaker considerations.
http://www.petfinder.com/journal/index.cgi?article=701
Choosing a Dog - DigitalDog.com 
Article about the many considerations to think about before bringing a new dog into the household. Includes links to other information about training, grooming, sleeping, feeding and activity considerations.
http://www.digitaldog.com/choosing.html