District 6 of Little League Ontario - The District for South Ottawa Little League
District 2 - schedules, rules for spring and summer interlock including 19U

Little League International
Little League University - information for parents, umpires, coaches
Little League World Series 
Little League Canada
Little League Ontario

Local Little Leagues

Prescott-Russell Little League - District 6 League
Glebe Central Little League - District 6 League
Orleans Little League - District 6 League
Carleton Russell Little League - District 6 League
East Nepean Little League - District 2 League
Ottawa West Little League- District 2 League
Kanata Little League - District 2 League
West Carleton-Arnprior Little League - District 2 League
Mississippi Little League - District 8 League

Coaching and Umpiring Links

Baseball Coach
ScoreIt - Stats, practice planner, drill information
AmateurUmpire.com
John Skilton's Baseball Links
National Coaching Certification Program (NCCP)
WebBall