Rainbow Equus
www.rainbowequus.com/Pablo.htm
Home of the stallion Pablo

Avalon Equine
www.mannuscriptfarm.com
Home of the stallion Mannhattan

Golden Edge Sport Horses
www.roanoakefarm.com/GoldenEdgeSporthorses-Home.htm
Home of the stallion Sagar

ISR / OLD N.A.
www.isroldenburg.org

American Hanoverian Society 
www.hanoverian.org>

www.horse-gate.com/
Contains video clips of Donnerwetter, Voltaire, Feiner Stern and many, many German Sires

www.dmtc.com/pedigree/allbreed/
Contains full pedigrees and photographs of many ancestors

www.team-nijhof.nl/
Team Nijhof contains info on the world renowned sires Voltaire and Sir Oldenburg

www.wingfieldfarms.com
Another Hanoverian Breeder