Here you can find some links to various handy sites and references!

Important sites
Petz Kennel Club
PKC Forum

The founders' sites
Supernova
Supernova Breed Central
UMZ Kennel & Cattery

Places to find files
Abnormality
Bekki's Breeds
Bramblewood
Brytyjski
Dragonstone
Dreams Kennel
Fire Ridge
GK Breeds
Iced Tea
Java
Juniper Petz
Lime Green Flamingos
Long Way Home
Vickie's Show Breedz