American Kennel Club - http://www.akc.org/index.cfm

Labrador Retreiver

Labrador Retreiver Club of America - http://thelabradorclub.com/index.htm

Chihuahua

Chihuahua Club of America - http://www.chihuahuaclubofamerica.com/

Pugs

Pug. com - http://pugs.com/index.htm

The Pug Dog of America - http://www.pugs.org/default.htm