The following are all Adobe Acrobat "pdf" files.
Basic Principles
WYSA Basic Principles of Individual Defense
WYSA Basic Principles of Individual Attacking
WYSA Basic Small Group Attacking
WYSA Basic Guide to Positional Training
Coaching Manuals
Tactics
WYSA Eight Deadly Sins of Soccer
WYSA Expectations After One Year
WYSA Most Important Skills To Teach
WYSA Switching the Point of Attack
Practice Plans