The Language of Baseball
- Dictionary and thesaurus lists over 2,000 baseball terms. Includes vocabulary pages for specific topics such as pitching mechanics and batting statistics.
- http://www.123exp-baseball.com/

Steve O's Umpire Resource Page
- Offers related links, pictures, tips, and contacts.
- http://www.stevetheump.com/

Knowlegehound.com - Baseball
- Links to free online how-to guides for coaching, hitting, pitching, catching, and general information.
- http://www.knowledgehound.com/topics/baseball.htm