World Baseball
1989 - 1992; 1994 - 1997
IBA-Report
1989 - 1990
IBA-Directory
1995, 1996, 1998
IBAF-Directory & Media Guide
2000
Homerun. Organ des DBV
1.1992 - 8.1999
Baseball book
Torino, 1979
Diamonds around the world: The encyclopedia of international Baseball
2005
Martin Miller: Baseball - eine anspruchsvolle Sportart auf dem Weg nach oben 1998
www.ibaf.org (defunct)
www.baseballeurope.com (defunct)
Special thanks to all those people sending me information about this subject.
I also used different regional and local newspapers to find further information.
Last modified: 09.02.2023