Newlin Twp 1730 (with names of landowners)
1883 East Fallowfield ... names of those North of the Strasburg Road
Present day Pennsylvania and her Counties
Current Chester County Map with Townships
Landowners listed on Kennet Maps ca 1730-1770
Early Patents and Grants found on Edgmont Township Map
Nottingham Maps
1881 Chester http://www.usgwarchives.net/pa/chester/maps/chester1881.jpg
Lionsville - Names Found on an 1873 Map
PA Historical Maps http://www.mapsofpa.com/antiquemaps1.htm
Maps Showing County Formations
LOC "zoomable" Map for Chester http://memory.loc.gov/ammem/gmdhtml/citymapPlaces09.html
The ADC Map folks produce county maps divided up on pages of a book about 10X14...because only a small section of the map is on each page, they are able to be wonderfully complete, including churches, cemeteries, historic sites, Quaker meeting houses, POs, points of interest, museums, libraries, all roads and streams, etc.....everything a genealogist would want. You can call them 1-800-ADC-MAPS or they are on line www.adcmap.com I can't recommend these highly enough (the price is around $11.00)
Current Maps
Aerial photography
National Mapping service (a WONDERFUL tool to find anything listed on a US map: town, mountain range, cemetery, etc) http://geonames.usgs.gov
Map of England with Counties http://footprints.org/1-000201.htm
Great Map Site http://memory.loc.gov/ammem/gmdhtml/gmdhome.html