Griffith, S. F. (2001). Serving history in a changing world: The Historical Society of Pennsylvania in the twentieth century. [Philadelphia]: The Historical Society of Pennsylvania ; Distributed by the University of Pennsylvania Press.

Griffith, Sally Foreman. Serving History in a Changing World: The Historical Society of Pennsylvania in the Twentieth Century. [Philadelphia]: The Historical Society of Pennsylvania ; Distributed by the University of Pennsylvania Press, 2001.

Griffith, Sally Foreman. Serving History in a Changing World: The Historical Society of Pennsylvania in the Twentieth Century. [Philadelphia]: The Historical Society of Pennsylvania ; Distributed by the University of Pennsylvania Press, 2001.