Trakehner Gestüt Hämelschenburg
- Large stud farm standing Kostolany, Freudenfest, Summertime, Alter Fritz, and Exclusiv, among others. Stallion and reference sire photos, pedigrees and ancestral notes, broodmare galleries, show results and breeding records, a sales list, and show schedul
- http://www.gestuet-haemelschenburg.de/