Associations
USA Softball
NCAA Softball
National College Athletic Association Softball (NCAA)
National Association of Sports Officials (NASO)
National Standards for Sport Coaches (K-12)
Society of Health and Physical Educators (K-12)
Books
printbook Softball fundamentals by Rick Noren, Human Kinetics (Organization)
Physics of baseball & softball by Rodney Cross
printbook Coaching softball effectively : the American Coaching Effectiveness Program by Steven D. Houseworth, et al
printbook Complete handbook of winning softball by Sharon J. Drysdale, Karen S. Harris
The ultimate guide to weight training for softball by Robert G. Price
