http://www.vitamindcouncil.org/
http://www.vitamind3world.com/
http://www.easy-immune-health.com/vitamin-d-research.html#section19
http://grassrootshealth.net/daction D Action portion of Grassroots
http://www.stargateuk.info/vitamind/
http://heartscanblog.blogspot.com/
http://www.henrylahore.com/VitD.html What I knew about vitamin D before starting this wiki
http://en.wikipedia.org/wiki/Hypovitaminosis_D WikiPedia - one of many
http://www.grc.com/health/vitamin-d.htm Person who discovered benefits of vitamin D Fall 2009 excellent 63 minute podcast
http://www.sunlightd.org/Main.htm Krispin Sullivan
http://www.vitamindsociety.org/index.php Canadian Non-profit
http://www.mercola.com/article/vitamin-d-references.htm Mercola
http://www.vitaminddoc.com/ Sorrenson - author of Vitamin D3 and Solar Power
http://vitamind-prescription.com/ Eric Madrid blog of Vitamin D Prescription May 2009
http://www.thevitamindcure.com/ Web site by Dr. Dowd author of Vitamin D Cure
http://www.thevitamindcure.com/blog/ Dr. Dowd blog
http://www.henrylahore.com/Health/VitD_Cure.html Dr. Dowd recommendations for supplements
http://en.wordpress.com/tag/vitamin-d/ Recent Word Press Blogs which have a vitamin D tag