I've found a website for PA type 10 maps it's organized by county and they have some pretty old maps. Some as early as 1912, some show churches,schools,houses and cemeteries etc.
http://www.penndot.gov/ProjectAndPrograms/Planning/Maps/Pages/County-Type-10-Historic.aspx
http://www.penndot.gov/ProjectAndPrograms/Planning/Maps/Pages/County-Type-10-Historic.aspx