The Black and Tan Terrier was a broad breed or type of terrier that was one of the earliest terrier breeds. Although it is now extinct, it is believed to be the ancestor of all modern Fell Terrier breeds and the Welsh Terrier, a breed recognised by The Kennel Club.
History
Working Fell Terriers (non-Kennel Club working terriers from the rocky Lakeland Fells[1] region of the UK) have always been quite variable, but have always been coloured terriers (tan, black or black and tan), as opposed to the white-coated "foxing terriers" preferred in the south of England.
Hancock, David (1984). Old working dogs. Botley, Oxfordshire: Shire Publications Ltd. ISBN0852636784.
Hancock, David (2011). Sporting Terriers: Their Form, Their Function and Their Future. Ramsbury, Marlborough: The Crowood Press Ltd. ISBN978-1-84797-303-0.
Morris, Desmond (2001). Dogs: the ultimate dictionary of over 1,000 dog breeds. North Pomfret, VT: Trafalgar Square Publishing. ISBN1-57076-219-8.