Self Help Colour Therapy - History of the therapy and interactive online self-help. - http://www.users.totalise.co.uk/~tmd/color.htm
Iris School of Colour Therapy - [Totnes, Devon] Details of correspondence courses and local workshops enhancing various therapies with colour, with Suzy Chiazzari. - http://www.iriscolour.co.uk/
Renee Ganger - Services from practitioner offering a variety of therapies predominantly colour-related. - http://www.renergy.co.uk