Amateur Baseball Umpire
Contains information on baseball umpiring and officiating.
http://www.amateurumpire.com/

Interactive Baseball Rules
Seeks to create a fun environment for baseball umpires, players, coaches and fans to enhance their understanding of the rules of the game. Offers online quiz, along with rules/officiating resources.
http://www.macroweb.com/ibrules/index.html

Pony Baseball and Softball
Official site includes affiliated members links, news, calendar, tournaments, and World Series coverage.
http://www.pony.org/

Tampa Bay Umpires Clinic
Amateur baseball umpiring clinic for high school and youth league umpires. Listing of contacts and schedule.
http://geocities.com/tampabayumpiresclinic/

Canadian Blues Umpires
Provide information for Canadian young old boys girls teenagers adult guys gals umpires to gain more experience on the baseball fields through work in the United States.
http://www.geocities.com/canadianblues2003/

Baseball Umpires Rules and Interpertation
Major League Baseball rules, interpertations, questions and answers, newsletter, do's and don't on the playing field
http://baseballumpires.com

Major League Baseball: Official Rules
Complete rules of major league baseball, with diagrams and glossary.
http://www.mlb.com/NASApp/mlb/mlb/official_info/official_rules/foreword.jsp

Jim's Baseball Rules - Little League
Provides a myriad of baseball rules and regulations, FAQs, umpiring tips, myths and links. Gathered by a certified Little League umpire and former Chief Umpire for California District 3.
http://www.eteamz.com/baseball/rules/obr/