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A Twentieth Century History of Mercer County, Pennsylvania - Vol. II (Provided by Google Books) |
U.S. National Archives Archival Databases |
History of Northwestern Pennsylvania (Source: Internet Archive) |
Genealogy Trails History Group |
Mercer County, Pennsylvania (Source: Our Family Tree) |
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Mercer County Courthouse (Source: courthousehistory.com) |
Internet Archive Digital Library |
On-line Pennsylvania Rural & City Directories (Source: On-line Historical Directories) |
Digital Public Library of America |
Classic Buildings of Mercer County (Source: Society of Architectural Historians) | Mayflower History (Mayflower passenger list & much more) |
Pennsylvania Archives (Source: upenn.edu online books page) | Ellis Island and Castle Garden Passenger Search Sites |
Pennsylvania Message Boards (sponsored by Ancestry.com) | |