The Siberian Husky
I'm not a breed historian or anything, so I'll just reference you to some other resources...
Siberian Huskies:
Siberian Husky Club of America
AKC breed standard and information
CKC Standard (Continental Kennel Club)
Or, for information about Seppala Siberians:
International Seppala Siberian Sleddog Club, Inc.
CKC Standard for the Seppala Siberian Sleddog