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- [S312] Cowden, Charles G. (I19768): 1910 US Census, (www.ancestry.com (2006): National Archives and Records Administration micropublication T624, roll 929, enumeration district (ED) 128, sheet 8B, page 35B, line 62, dwelling 180, family 175; image accessed 12/27/2008.), 1910.NY.Chautauqua.Ellery.128.16.
- [S313] Cowden, Effie M. (I19769): 1920 US Census, (www.ancestry.com (2005): National Archives and Records Administration micropublication T625, roll 1091, enumeration district (ED) 170, sheet 16A, page 271A, line 20, dwelling 372, family 410; image accessed 12/27/2008.), 1920.NY.Chautauqua.Jamestown.170.31.
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