- www.kooikerhondje.ch/index.html
- All about the Kooikerhondje, info, pictures, breeders, rescues, care, temperament, health, puppies and much more.www.dogbreedinfo.com/kooikerhondje.htm
- www.breederbase.com/Kooiker%20Dog.htm
- www.hund.ch/zuechter/zkooikerhondje.htm