- [S2] Bertha Newens|, Bertha Ina (Newens) Snouffer, "Newens & Snouffer Family Records", (Bertha Ina (Newens) Snouffer; unpublished charts; created abt 1960; revised abt 1970; original charts possessed by Wm.C.Snouffer).
- [S37] Ancestry Tree - Mann|, James D. Hug, "Mann_2011-12-09", (Ancestry.com, Public Member Tree, Online database, http://trees.ancestry.com/tree/33020986/listofallpeople).
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- [S73] IA Census 1880, Cedar Rapids|, Iowa, Linn Cnty, Cedar Rapids, 1880 U.S. Census, (The National Archives, Washington, D.C.), T9-0351, p. 98C.
- [S10] Snuffers|, James L. Wood, Jr., THE SNUFFERS, (BJW Printers; Beckley, WV : 1989), 929.273Sn72., p.81.
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- [S21] Arthur/Oerther|, Powell, Laurel S., "Arthur / Oerther Family", (Vol. 16, The Carrolltonian, p. 6; Carroll County Genealogical Society, Westminster, MD : 1996-1997), p. 30.
- [S18] Cedar Rapids, IA, newspaper|, Article on W.I.Snouffer & Julia K.Snouffer's golden wedding anniversary, (Cedar Rapids newspaper : 1903).