Mr. Golf Etiquette 
Features several articles on the basics of good golf etiquette. Also includes related links and a monthly golf etiquette game.
http://www.mrgolf.comTen Commandments of Golf Etiquette
A lighthearted way of alerting golfers to good manners on the golf course.
http://www.legendinc.com/Pages/MiscellaneousPages/GolfCommandments.html
Keepers of the Game
An association to enhance the core values of golf with particular emphasis on etiquette.
http://www.keepersofthegame.org
United States Golf Association: Etiquette
Official rules for courtesy on the golf course.
http://www.usga.org/playing/etiquette/etiquette.html
