Little League now requires all coaches and managers to complete concussion training. The training is free and takes about 30 minutes. Please provide your certificate of completion to the Director of your division. The online training can be found on the CDC's website.
There are a lot of baseball coaching resources out there. Little League International offers good information to its members for free, including skill and drill instruction in video and text format, practice planning advice, etc. Go to this link to check it out. All you need to do is set-up an account on the site to start viewing.