A Vision of Britain through Time includes a large library of local statistics for administrative units. For the best overall sense of how the area containing Mid Sussex has changed, please see our redistricted information for the modern district of Mid Sussex. More detailed statistical data are available under Units and statistics, which includes both administrative units covering Mid Sussex and units named after it.
GB Historical GIS / University of Portsmouth, History of Mid Sussex in Sussex | Map and description, A Vision of Britain through Time.
Date accessed: 09th December 2013
Click here for more detailed advice on finding places within A Vision of Britain through Time, and maybe some references to other places called "Mid Sussex".