Referee information: http://www.albertasoccer.com/referee/becomeareferee/
The following are links that can assist coaches with drills and exercises for young soccer players.
Coaches Manual (included practice plans etc)
Training the very young child (U6 and below)
A good place to start and get some info for coaching.
UEFA Training Ground - GrassRoots
Great drills etc for players of all ages
Tons of great practice ideas from Massachusetts Youth Soccer