«Encyclopedia of Arkansas». Encyclopedia of Arkansas(en inglés estadounidense). Consultado el 19 de diciembre de 2019.
familysearch.org
"United States Social Security Death Index," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/JLPZ-X2H : accessed 22 January 2015), Danielle P Berry, 03 Jul 1998; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).