Each activity has its own set of rules, marshals roster and seperate training processes for new marshals.
SCA Duke University - YouTube videos of various Dukes teaching technique.
Duke Bellatrix's School of SCA Fighting - A great source for learning the basics.
West Kingdom Rapier Website - Sources for SCA Rapier fighters in the West Kingdom.
West Kingdom youth Combat Rules - Rules covering Armored Combat for ages 10-15 in the West.