↑Ancestry.com. 1860 United States Federal Census. (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2004;) Database online. Pennington, Bradley, Arkansas, post office Warren, roll M653_38, page 551, image 100.
Record for Richard N Koonce
↑Ancestry.com. 1870 United States Federal Census. (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2003;) Database online. Pennington, Bradley, Arkansas, post office Warren, roll 48, page 557, image 314.
Record for Richard Koonce
↑Ancestry.com. 1880 United States Federal Census. (Name: The Generations Network, Inc.; Location: Provo, UT, USA; Date: 2005;) Database online. Pennington, Bradley, Arkansas, ED 15, roll T9_39, page 9.1000, image 0347.