Rinzai School - Lineage diagram. - http://web.kyoto-inet.or.jp/org/jikyu-an/lineage.html
Zen Studies Society - Established in 1956 to assist the Buddhist scholar D.T. Suzuki in his efforts to introduce Zen to the West. In 1965 it came under the leadership of a Japanese Zen monk, Eido Tai Shimano, who shifted the emphasis towards zazen (Zen meditation) practice. - http://www.daibosatsu.org/
The Kwan Um School of Zen - Information on our School, its teachers, publications, zen centers, and retreats. - http://www.kwanumzen.com/
Hakuin School - Japanese school of Rinzai Zen Buddhism. - http://www.ciolek.com/WWWVLPages/ZenPages/Hakuin.html