For Dan Docherty's Practical Tai Chi Chuan web site click here
For the Tai Chi Union of Great Britain Web site click here
For Othmar Vigl web site www.taijiquan.ga
For Catherine Birkinhead website www.taichiinthechilterns.co.uk
For the Tai Chi Union of Great Britain Web site click here
For Othmar Vigl web site www.taijiquan.ga
For Catherine Birkinhead website www.taichiinthechilterns.co.uk