The links below are for all the breeder's club websites we could find.....

OLD ENGLISH GAME

Old English Game Bantam's Ireland

UK Old English game (as judged by the Carlisle club standard) 

Old English Game Bantams (Forum USA)

Old English Game Bantam Club of America

Old English Game Bantams @  FeatherSite.com

OldEnglishGameBantams on Facebook

OEGB's OldEnglishGameBantams Group on Facebook
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The Poultry Club of Great Britain 

Araucana Club

Australorp Club 

Booted Bantam Breeders Group  

British Belgian Bantam Club

British Waterfowl Association

Call Duck Association

Cochin Club

Derbyshire Redcap Club

Domestic Waterfowl Club

Dorking Club

Faverolles Club

Goose Club

Indian Game Club

Indian Game Ireland

Indian Runner Duck Association

Irish Goose Club

Leghorn Club

Lincolnshire Buff Poultry Society

Marans Club

Minorca Club

Modern Game Club

Scots Dumpy Club

Turkey Club UK