Here are links to some useful and informative sites:
Links
Holsteiner Verband - Official German site for
Holsteiners
 http://www.holsteiner-verband.de/
American Holsteiner Breeding Association
 http://www.holsteiner.com
The Chronicle of the Horse
 http://www.chronofhorse.com
Texas Hunter Jumper Association
 http://www.thja.org/
Horse Agency -Imports
 www.horseagency-imports.com
Royal C Stud Stallion and Holsteiner Breeding Barn
 www.royalcstud.com
Happy's Dream Ranch in Prescott Arizona
 www.happysdreamranch.com
Central Texas Hunter Jumper Association
 www.cthja.com
Christie Showjumpers.com