From the Executive Director
By Andrea W. Lowery
Editor’s Letter
By Kyle R. Weaver
Marking Time
First Troop Philadelphia City Cavalry: America’s Oldest Active Service Unit
By Alli Davis
Our Documentary Heritage
The Bicentennial Raft
By Richard C. Saylor
A Place in Time
Heller–Wagner Grist Mill
By Arden Jordan
Features
A Radical Shift: Pennsylvania’s Constitution of 1776
By Lorett Treese
Elizabeth Graeme Fergusson: A Woman of the American Enlightenment
By Jennifer Eaton Barndt
Understanding Pennsylvania’s Gradual Abolition Act of 1780
By Todd M. Mealy
Hands-On History
Searching for Keystone Hall’s Shield Stone
By John K. Robinson
Book Review
William Bartram’s Visual Wonders by Elizabeth A. Athens
By Brian C. Black
Andy Warhol’s Mother by Elaine Rusinko
By Deirdre M. Smith
Pittsburgh in 50 Maps by Stentor Danielson
By Curtis Miner
Americana Insights 2025, edited by Lisa Minardi
Trailheads
The Skills That Built a New Nation Are Building the Next Generation: The InHarmony Initiative at Old Economy Village
By Heather Hicks
Pennsylvania Heritage Foundation Newsletter
Pennsylvania Heritage Foundation Newsletter – Summer 2026
By PA Heritage Staff
Picturing PA
The Sesquicentennial International Exposition
By Brett Reigh