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- [S2012] Census Population Schedules.
- [S1927] Donahue, John E. (I20609): 1930 US Census, (www.ancestry.com (2002): National Archives and Records Administration micropublication T626, roll 2037; enumeration district (ED) 94, sheet 6A, page 185, line 17, dwelling 128, family 149; image accessed 4/17/2009.), 1930.PA.Erie.Erie.94.11.
- [S497] Hecker, Henry F. (I396): 1910 US Census, (www.ancestry.com (2006): National Archives and Records Administration micropublication T624, roll 1332, enumeration district (ED) 10, sheet 6A, page 280A, line 25, dwelling 148, family 151; image accessed 1/2/2009.), 1910.PA.Crawford.Cussewago.10.1.
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