F. A. Youngs, Guide to Local Administrative Units ofEngland, 2 volumes, London, 1979 and 1991 Mogg, Edward. "Circuits of the judges" in Paterson's Roads
Vict,c.73 Frederic A. Youngs,《Guide to the local administrative units ofEngland, Vol. 1: Southern England》,Royal Historical Society, Guides and handbooks
(1994) European Parliamentary Elections Act 1999 - Schedule 2 - Electoral Regions in England (页面存档备份,存于互联网档案馆) listing many counties extant at that date