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Bibliography of Pennsylvania history
The Nanticoke Indians; a refugee tribal group of Pennsylvania
Guide to the published archives of Pennsylvania covering the 138 ...
Pennsylvania petroleum, 1750-1872 : a documentary history
Preserving our past : an investment in our future
The capitols of Pennsylvania
Inventory of the county archives of Pennsylvania: Lehigh County
The building of Perry's fleet on Lake Erie, 1812-1813
The Pemberton family cemetery
Two Shenk's Ferry sites in Lebanon county, Pennsylvania