If anyone has a link to be added here, please email us.

References:

• American School Directory
• American Soccer History Archives
• axis360
• Baseball Almanac
• Baseball America
• The Baseball Index
• Baseball-Links.com
• Baseball-Reference.com
• Baseball Resources
• College Football History
• Collegiate Directories, Inc.
• Extinct Sports Leagues
• Famous Fonts - Sports
• Fred's Puck Collection
• IKnowBetter755.com
• In the Crease Professional Hockey Journal
• KidsScoreCard
• MEARS - Autograph and Collectable Authenticity Headquarters
• Peterson's
• Queens of the Gridiron: The Women and Girls of Tackle Football
• Soccer Times
• The Sports e-Cyclopedia
• Sports Market Place