The following links can be helpful and informative if you are considering a Hovawart puppy: These puppies grow up to be big beautiful dogs. It is best to educate yourself a bit about them.
The Fédération Cynologique Internationale http://www.fci.be/
Federación Canófila de Puerto Rico http://www.federacioncanofila.org/
UKC Registration Requirements http://www.ukcdogs.com/Web.nsf/WebPages/Registration/SingleNonStandardBreeds
AKC Meets the Breed “Get to Know the Hovawart” http://www.akc.org/breeds/hovawart/index.cfm
Memorandum of Understanding between FCI and CKC http://www.fci.be/uploaded_files/CKC-FCI.pdf
Working Dog Eu http://www.working-dog.eu/?new_lan_en