Breeders          

http://www.mephistoboxers.com          
http://www.berlane.net          
http://www.rikarboxers.com          

Clubs

http://www.boxerclubofcanada.com  
http://ckc.ca
http://americanboxerclub.org
http://www.akc.org/index.cfm 

Boxer information

http://www.boxerworld.com 
http://www.worldwideboxer.com 
http://freewebs.com/theglobalboxer/index.htm 

Rescue          

http://www.boxerrescuequebec.com          
http://www.boxerrescuecanada.com           
http://www.akitarescuewny.com          
http://www.petfinder.com

Behavior and training
                    
http://www.dogzoogle.com
http://www.pets.ca

Puppy mill information          

http://www.nopuppymills.com          
http://www.canismajor.com/dog/puppymill.html 
http://www.yourpurebredpuppy.com/buying/common/petshops.html    

Mailing lists

http://www.showboxer-l.com (showboxer list) 
http://iupucbio2.iupui.edu/bml/ (boxer mailing list)
http://pets.groups.yahoo.com/group/OwnerHandler/ 
          (OwnerHandler list)
http://www.pro-boxers.com/lists.html (message board)
http://www.boxerworld.com/forums/ (boxerworld forum)

Pedigree database 

http://www.worldpedigrees.com