(2010). The Pennsylvania Historical & Museum Commission with the Historical Society of Pennsylvania present the dedication of an official state historical marker commemorating the Society's historic building and library: Monday, October 25, 2010, 10 a.m. [Harrisburg, Pa.: Pennsylvania Historical and Museum Commission].

The Pennsylvania Historical & Museum Commission With the Historical Society of Pennsylvania Present the Dedication of an Official State Historical Marker Commemorating the Society's Historic Building and Library: Monday, October 25, 2010, 10 A.m. [Harrisburg, Pa.: Pennsylvania Historical and Museum Commission], 2010.

The Pennsylvania Historical & Museum Commission With the Historical Society of Pennsylvania Present the Dedication of an Official State Historical Marker Commemorating the Society's Historic Building and Library: Monday, October 25, 2010, 10 A.m. [Harrisburg, Pa.: Pennsylvania Historical and Museum Commission], 2010.