| Sources |
- [S1256] PA, Erie County History, (Chicago: Warner, Beers & Co., 1884), Part VI, Amity Twp, 6.
- [S2103] Estes, Samuel (I107): 1880 US Census, (www.ancestry.com (2005): National Archives and Records Administration micropublication T9, roll 1127; enumeration district (ED) 140, enumerated page 20, master page 10B, line 17, dwelling 168, family 168; image downloaded 11/7/2008.), 1880-Amity.140.20.jpg.
- [S2100] Estes, Samuel: Family Biography, (Chicago: Warner, Beers & Co., 1884, Part VI, Amity Twp, 6).
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