BASEBALL & SOFTBOL

• International Baseball Federation (IBAF)
• International Softball Congress (ISC)
• International Softball Federation (ISF)
• International Senior Softball Association (ISSA)
• European Baseball Confederatio (CEB)
• European Softball Federation (ESF)
• Deutscher Baseball und Softball Verband e.v. (DBV)- Alemania
• Baden Württembergischer Baseball und Softball Verband e.V. - Alemania
• Bayerischer Baseball und Softball Verband e.V.-Alemania
• Hamburguer Baseball und Softball Verband e.V.- Alemania
• Österreichischer Baseball & Softball Verband (ÖBSV)- Austria
• Koninklijke Belgische Baseball en Softball Federatie (KBBSF) Bélgica
• Bulgarian Baseball Federation (BBF)
• Croatian Softball Association
• The Danish Baseball Softball Federation (DBSF) Dinamarca
• Real Federación Española de Béisbol y Sóftbol
• Finnish Baseball and Softball Association. Finlandia
• Fédération Française de Baseball, Softball & Cricket (FFBSC)
• British Baseball and Softball Federation (BBSF) Gran Bretaña
• Hellenic Baseball Federation (HBF)  Grecia
• Koninklijke Nederlandse Baseball en Softball Bond (KNBSB) Holanda
•  Magyar Országos Baseball és Softball Szövetség (MOBSS) Hungría
• Irish Baseball and Softball Association (IBSA) Irlanda
• Federazione Italiana Baseball Softball (FIBS)
• Malta Baseball & Softball Association
• Norges Softball og Baseball Forbund (NSBF) Noruega
• Federaçao Potuguesa de Beisebol e Softbol (FPBS)
• Czech Baseball Association (CBA) Rep. Checa
• Czech Softball Association (CSA)
• Federazione Sammarinese Baseball Softball (FSBS)
• Slovak Baseball Federation (SBF)
• Svenska Baseboll och Softboll Förbundet (SBSF)
• Svenska Baseboll och Softboll Förbundet (SBSF)
• Swiss Baseball and Softball Federation (SBSF)
• Asociación Paranaense de Softbol (Argentina)
• Amateur Athletic Union Baseball USA
• Amateur Softball Association (ASA)
• American Baseball Coaches Association (ABCA)
• American Fastpitch Association (AFA)
• National Fastpitch Coaches Association (NFCA)
• National Softball Association (NSA)
• North American Fastpitch Association
• USA Baseball (Official Site)
• USA Softball (Official Site)
• South Central PA. Breeze - Girls Fastpitch Softball Organizacion (Pennsylvania)
• Campo Corto (Venezuela)
• Jonrón, béisbol norteamericano