Bud Williams was the world's leading practitioner, teacher, and advocate of low-stress livestock handling. Here is a link to his website:
Roger was privileged to spend 7 weeks following Bud as part of a study leave at Vee Tee Feeders at Lloyminster, Alberta, Canada in 1993.
Here is an article he wrote based on those experiences:
Here is a link to a book called "Stockmanship" written by Steve Cote. The book was read and approved by Bud.
Here is the link for the pdf of the book: