Keystone treasures : a guide to museums and historical organizations ...
Documenting Pennsylvania's past : the first century of the Pennsylvania ...
Mourning becomes America: mourning art in the new nation
Pennsylvania architecture : the Historic American Buildings Survey with catalog ...
The capitols of Pennsylvania
Made in Pennsylvania : an overview of the major historical ...
Vigilance in Pennsylvania : Underground railroad activities in the keystone ...
Records of Pennsylvania's revolutionary governments, 1775-1790 (record group 27) in ...
First Pennsylvanians : The archaeology of Native Americans in Pennsylvania
Guide to the microfilm collections in the Pennsylvania State Archives