NityaYoga http://www.nityayoga.com/
Information about programmes of the Swami Vishnu Yoga Centre in Toronto, Canada, and yoga retreat with certificate course in Kerala, India.
Radha Yoga Centres http://www.radha.org/
Conduct Yoga classes based on the teachings of Swami Sivananda Radha. A directory of centres in Canada and the US. Include schedules and events listings and links to Yasodhara Ashram and Ascent Magazine
The Yoga Alliance http://www.yogaalliance.org/
International professional organization provides support services and yoga teacher certification. Site includes list of registered schools and teachers in the U.S. and Canada.
Tokyo Yoga Circle http://www.rajay.org/
Offers weekly classes for all levels at four locations in central Tokyo. Information on content, schedule, and location.
Australia