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The Physique of Middlesex (页面存档备份,存于互联网档案馆), A History of the County of Middlesex: Volume 1: Physique, Archaeology, Domesday, Ecclesiastical Organization, The Jews, Religious Houses, Education of Working Classes to 1870, Private Education from Sixteenth Century (1969), pp. 1–10. Date Retrieved 11 August 2007.