The VHRR runs the Phillip Island Classic in Feb and Historic Sandown in Nov

The Austin 7 Club runs Historic Winton in May

The Australian Historic Motorfest at Winton in Oct

The HSRCA runs the major Historic Events in NSW

The Group S Racing Assoc is an association formed to represent Group S competitors and although based in Sydney has Victorian representation and has involvement of a few NSW AROCA members.

CAMS Historic Department runs everything to do with Historic Racing - good site with lots of info