Historie Slow Pitch Softball
Covers the complete history of slow pitch including all championship tournaments, national leaders and all time great teams and players.
http://www.angelfire.com/sd/slopitch
Honkbaltheorie
Honkbaltheorie
http://www.honkbalsite.com/honkbaltheorie.doc
Scimitars.nl
Scimitars.nl
http://www.scimitars.nl/
Wetenschap van het softbal
Exploring the science of baseball. brought to you by the exploratorium.
http://www.exploratorium.edu/baseball/