| Historical Society of Pennsylvania
Allegheny-Kiski Valley Historical Society
Baltzer Meyer Historical Society
Beaver Falls Historical Society
Berlin Area Historical Society
Bradford County Historical Society
Brownsville Historical Society
Bucks County Historical Society
Butler County Historical Society
California Area Historical Society
Camp Curtin
Historical Society
Centre County Historical Society
Chadds Ford Historical Society
Chester County Historical Society
Clarion County Historical Society
- Discussion Forum
Clearfield County Historical Society
Clinton County Historical Society
Columbia County Historical and Genealogical Society
Conestoga Area Historical Society
Conneaut Valley Historical Society
Cumberland County Historical Society
Derry Area Historical Society
Donora Historical Society
Downingtown Historical Society
Elizabeth Township Historical Society
Frackville Area Historical Society
Franklin County Historical Society
Germantown Historical Society
Greater Monessen Historical Society
Greene County Historical Society
Hanover Area Historical Society
Hermitage Historical Society
Historical & Genealogical Society of Indiana County
Historic Bethlehem Partnership
Historical Society of Berks County
Historical Society of Carnegie
Historical Society of Dauphin County
Historical Society of Green Tree (Pittsburgh)
Historical Society of Mount Lebanon
Historical Society of Schuylkill County
Historical Society of Western Pennsylvania
Homestead & Mifflin Township Historical Society
Huntingdon County Historical Society
Jefferson College Historical Society
Lancaster County Historical Society
Lancaster Mennonite Historical Society
Lawrence County Historical Society
Lawrenceville Historical Society
Lebanon County Historical Society
Lehigh County Historical Society
Lenni Lenape Historical Society/Museum Of Indian Culture
Ligonier Valley Historical Society
Lower Merion Historical Society
Luzerne County Historical Society
Mahanoy Area Historical Society
Mahanoy & Mahantongo Historical & Preservation Society
Mercer County Historical Society
Monroe County Historical Association
Monroeville Historical Society
New Hope Historical Society
Oswayo Valley Historical Society
Pinegrove Historical Society
- Discussion Forum
Pioneer Historical Society of Bedford County
Rockwood Area Historical & Genealogical Society
Rostraver Township Historical Society
Salisbury-Elk Lick Historic Association
Lower Saucon Township Historical Society
Somerset County Historical and Genealogical Society
South Bethlehem Historical Society - see article
Southwestern Pennsylvania Heritage Preservation Commission
Sullivan County Historical Society
Susquehanna County Historical Society
Tulpehocken Settlement Historical Society
Valley Forge Historical Society
Washington County Historical Society
Westfield Historical Society
Westmoreland County Historical Society
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