Satyananda Yoga http://www.satyananda.net/
A system of yoga developed by Swami Satyananda Saraswati and his lineage, which incorporates practices derived from ancient and traditional sources.
The Heart of Yoga Association http://www.heartofyoga.org/
Formed to help communicate the principles of yoga practice to a wider audience. Follow the school of Tirumalai Krishnamacharya. Information on Yoga, books, and teachers around the world.
The Yoga Site http://www.yogasite.com/
Online yoga resource center featuring a free teacher directory, posture information, Yoga therapy report, style guide, facts, retreats, books and links.
Wellness for Body and Soul http://www.self-realization.com/
Extensive reference site focuses on yoga philosophy (primarily Kriya), masters and practices. Also offers free yoga software, teacher directory, links to a wide range of resources, books and videos for sale.
Hindu Origins