Links
List of history related organizations and websites:
Chester County Historical Society
Hidden Collections Initiative for Pennsylvania Small Archival Repositories (HCI-PSAR)
Historical Society of Montgomery County
Historical Society of Pennsylvania
Historical Society of the Phoenixville Area
Lower Merion Historical Society
McKaig Nature Educational Center
Philadelphia Area Consortium of Special Collections Libraries (PACSCL)
Pennsylvania Historical & Museum Commission
Tredyffrin Easttown Historical Society
University of PA Archives and Records Center
Upper Merion Area School District Yearbooks