References in periodicals archive ?
Several have been involved with the Natural Hygiene movement, International Vegetarian Union, North American Vegetarian Society, and other groups including Gentle World, FARM, The Vegetarian Society of DC, The Vegetarian Resource Group, The San Francisco Vegetarian Society, The Toronto Vegetarian Society, and others.
Stanley Bass, a natural hygiene doctor who has been researching the topic for more than 40 years.
com; International Natural Hygiene Society, http://naturalhygienesociety.