3 links
Keepers of the Game
keepersofthegame.org
An association to enhance the core values of golf with particular emphasis on etiquette.
Mr. Golf Etiquette
mrgolf.com
Features several articles on the basics of good golf etiquette. Also includes related links and a monthly golf etiquette game.
Ready Golf Club
readygolfclub.com
Dedicated to improving speed of play without sacrificing good scores.