Canil Lakefield, de Alexandre Carvalho
Canil Manakel, de Raquel e Roger Amorim
The Collieconnection Pedigree Database
Confederação Brasileira de Cinofilia, a CBKC
The International Collie Society
American Working Collie Association
Collie Breeder and Wizard's Castle Collies Homepage
London and Provincial Collie Club
http://www.pastorescozzese.com/libreria.htm
Federação Cinológica Argentina
East Anglian Collie Association