Armstrong George P. and Harry W., Northumberland County PA Archives - Biographies (N.p.: Biographical Publishing Co., n.d.), .
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Title Armstrong George P. and Harry W., Northumberland County PA Archives - Biographies (N.p.: Biographical Publishing Co., n.d.), . Short Title Northumberland County PA Archives - Biographies _BIBL , Armstrong George P. and Harry W.. Northumberland County PA Archives - Biographies. N.p.: Biographical Publishing Co., n.d.. _SUBQ , Northumberland County PA Archives - Biographies, . Source ID S129 Linked to ARMSTRONG, Anthony