The Beauty of Dogs by Kenneth Bailey, published by Ward Lock Limited
The Complete Book of The Dog by Joyce Robins, published by Hamlyn
The Encyclopedia of Dog Breeds by Juliette Cunliffe, published by Paragon
The New Guide to Dog Breeds by Mike Stockman, published by Hermes House
Observers Dogs by Catherine G. Sutton, published by Penguin
The Ultimate Dog Book by David Taylor BVMS FRCVS, published by Dorling Kindersley, London

Magazines:

Dogs Today

Other:

Dogs of the World, published by Atlas Editions

Also, a big thank you to all those who have let me use their photos of their own dogs.