Here is the link to the British Hamster Association. Here you can find a list of  the BHA Standards for both Syrians and Dwarfs, and also apply for a copy.  If you want to get the BHA Standard for a Hamster you have, click on the link below, then click on Publications then click on Exhibition Standards.

 

BHA Standards

 

Here is a link to the BHA site application for list of Registered BHA breeders.

Register of BHA Breeders