Additional Resources
Secretary of the Interior's Standards for the Treatment of Historic Properties
Best in class guidance for historic building owners.
Chester County Preservation Network
A network of Chester County township historical commission, societies, organizations, and indivduals dedicated to preserving historic resources and cultural landscapes in Chester County.
Resources for researching historic houses in Chester County. Much information is available on-line, and more is being added all the time.
Home History, Preservation and Research
Excellant guidance for someone first setting out to research their historic home (many thanks to Anna for providing this link)