„Vision of Britain”. Архивирано из оригинала 16. 04. 2017. г. Приступљено 19. 10. 2006.CS1 одржавање: Формат датума (веза) – Type details for ancient county..; Youngs, Frederic A Jr. (1979). Guide to the Local Administrative Units of England, Vol.I: Southern England. London: Royal Historical Society. стр. xii—xiii. ISBN978-0-901050-67-0. „'Ancient County: Counties are geographic entities whose origins reach back into the pre-Conquest period. They were derived either from Anglo-Saxon kingdoms whose size made them suitable administrative units when England was unified in the tenth century, or as artificial creations formed from larger kingdoms. The number of 'shires' (the Anglo-Saxon term) or 'counties' (Norman term) varied in the medieval period, particularly in the north of England.”
„Vision of Britain”. Архивирано из оригинала 16. 04. 2017. г. Приступљено 19. 10. 2006.CS1 одржавање: Формат датума (веза) – Census Geographies..
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„Vision of Britain”. Архивирано из оригинала 16. 04. 2017. г. Приступљено 19. 10. 2006.CS1 одржавање: Формат датума (веза) – Type details for ancient county..; Youngs, Frederic A Jr. (1979). Guide to the Local Administrative Units of England, Vol.I: Southern England. London: Royal Historical Society. стр. xii—xiii. ISBN978-0-901050-67-0. „'Ancient County: Counties are geographic entities whose origins reach back into the pre-Conquest period. They were derived either from Anglo-Saxon kingdoms whose size made them suitable administrative units when England was unified in the tenth century, or as artificial creations formed from larger kingdoms. The number of 'shires' (the Anglo-Saxon term) or 'counties' (Norman term) varied in the medieval period, particularly in the north of England.”
„Vision of Britain”. Архивирано из оригинала 16. 04. 2017. г. Приступљено 19. 10. 2006.CS1 одржавање: Формат датума (веза) – Census Geographies..