Amateur Baseball Umpire Association, American Federation of Umpires(AFU), Babe Ruth Softball National Umpires Association, California Baseball Umpires Association, Colorado Springs Baseball Umpire Association, Daniel Boone Little League Umpires, Eastern Maine Baseball Umpires Association, Fox Valley Blues Umpires Association, New York State Baseball Umpires Association, Newcastle Baseball Umpire's Association
Academy of Professional Umpiring, Central Florida Umpires' Camp, Southwest Florida Umpires Camp, Umpires Camp
Amateur Baseball Umpire
Contains information on baseball umpiring and officiating.
Baseball and Umpire Links
Link directory of baseball rules and umpiring resources.
Baseball Umpires Rules and Interpertation
Major League Baseball rules, interpertations, questions and answers, newsletter, do's and don't on the playing field
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.
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.
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.
Major League Baseball: Official Rules
Complete rules of major league baseball, with diagrams and glossary.
Offers baseball rules and officiating videotapes. Features online shopping and video previews.
Pony Baseball and Softball
Official site includes affiliated members links, news, calendar, tournaments, and World Series coverage.