there are several threads on both topics in your post. a simple search should draw up useful info for you.
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The more people I meet and talk to,the more I love my dogs and their intelligence.
Zena GSD 6/1/03
Shasta GSD 5/5/10
"Dax" Thor z vom Weberhaus GSD 3/18/2013
 Riley GSD/BC 1/10/05-2/1/2013
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