Some of our favorite sites:

Breeders:
Dragonpatch Cardigans:   www.dragonpatch.org
Floatin' Cardigans: www.floatin.nl
Waggerland Cardigans: http://www.waggerland.nl/

Cardigan Welsh Corgi Club of America:  www.cardigancorgis.com

Cardigan Commentary International: www.cardicommentary.de

The Cardigan Archives (open database of Cardigan pedigrees)

www.cardipet.net