Links:
These are some sites we think highly of.
Boulder Outdoor Survival School
http://www.boss-inc.com/
Mark Elbroch
http://www.wildlifetrackers.com/
San Diego Tracking Team
http://www.sdtt.org/
Sun Valley Trekking
http://www.svtrek.com
Western Tracking Institute
http://westerntrackinginstitute.com/