Author
Bryson, Kristin K.
2
Koelble, Susan S.
2
McElwain, Wilbur J.
2
United States. Bureau of the Census
2
Adams, Raymond D.
1
Block, Perry
1
Br¿derbund
1
Brøderbund
1
Christ Church (Philadelphia, Pa.)
1
Dooner, Peter S.
1
Genealogical Society of Pennsylvania
1
Gunning, Kathryn McPherson
1
Hart, Herbert D.
1
Hildeburn, Charles R. 1855-1901,
1
Jackson, Ronald Vern
1
Learning Company
1
Learning Company (Firm)
1
Mango, Mark
1
Pickron, Nesheena
1
Schwoyer, Kerry
1
Stock, Walter D.
1
United States Census Office
1
United States Census Office 7th census, 1850
1