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- [S1823] Baker, Ralph L. (I2992): 1900 US Census, (www.ancestry.com (2004): National Archives and Records Administration micropublication T623, roll 1409; enumeration district (ED) 125, sheet 12B, page 200A, line 92, dwelling 275, family 276; image 24 accessed 12/20/2008.).
- [S460] Baker, Ralph L. (I2992): 1910 US Census, (www.ancestry.com (2006): National Archives and Records Administration micropublication T624, roll 1343; enumeration district (ED) 132, sheet 14B, page 133B, line 79, dwelling 249, family 255; image accessed 12/20/2008.), 1910.PA.Erie.Union.132.27.
- [S462] Baker, Ralph L. (I2992): 1920 US Census, (www.ancestry.com (2005): National Archives and Records Administration micropublication T625, roll 1567; enumeration district (ED) 139, sheet 10A, page 170A, line 21, dwelling 223, family 226; image accessed 12/20/2008.), 1920.PA.Erie.Union.139.19.
- [S459] Baker, Ralph L. (I2992): 1930 US Census, (www.ancestry.com (2002): National Archives and Records Administration micropublication T626, roll 2038; enumeration district (ED) 138, sheet 1A, page 129A, line 17, dwelling 4, family 4; image accessed 12/20/2008.), 1930.PA.Erie.Union.138.1.
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