Columbia subject headings:
Northampton County (Pa.)--Genealogy.
Northampton County (Pa.)--History.
Scots-Irish--Pennsylvania--Northampton County.
Harvard subject headings:
Northampton County (Pa.)--Genealogy.
Northampton County (Pa.)--History.
Scots-Irish--Pennsylvania--Northampton County.
Princeton subject headings:
Northampton County (Pa.)--Genealogy.
Northampton County (Pa.)--History.
Scotch-Irish in Northampton co., Pa.