Here are a few useful links for brumby lovers:
Australian Brumby Horse Register
Coffin Bay Brumby Organisation
Guy Fawkes Heritage Horse Association
Hunter Valley Brumby Association
Outback Heritage Horse Association of WA, Inc
Save The Brumbies Organisation
Snowy Mountains Bush User Group
South East Queensland Brumby Association
Please contact me if you know of any other links relevant to Australian brumbies.