- [S1737] Ohio Death certificate number 20587.
- [S1792] Monroe Co, Ohio marriage book 2, pg 229.
- [S1793] Monroe Co, Ohio birth register book 2, pg 184.
- [S1794] Monroe Co, Ohio birth record registration correction vol. 8, pg 237.
- [S1795] Ohio Military Men, 1917-18.
- [S1796] Monroe County, Ohio Birth Register Book 1, page 4.
- [S1797] Monroe Co, Ohio Birth Register Book 2, page 164.
- [S1798] Monroe Co, Ohio Birth Register Book 2, page 173.
- [S1799] Monroe County, Ohio Birth Register Book 4, page 83.
- [S1800] Headstone, Hickman cemetery, Cabell County, West Virginia.
- [S1801] Tyler County Marriage Book 3, page 286.
- [S1852] 1910 Monroe Co, OH. Census.
- [S1853] 1920 Monroe Co, OH. Census.
- [S1854] 1930 Monroe Co, OH. Census.
- [S1904] 1900 Cabell, Co, WV. Census.
- [S1905] 1910 Cabell, Co, WV. Census.
- [S1980] 1930 Athens Co, OH. Census.
- [S2034] Philip Hickman, e-mail message from e-mail address to Howard Hickman, Feb 2008.
- [S2035] 1920 Alegany Co, MD. Census.
- [S2080] 1910 Athens Co, OH. Census.
- [S2255] Dent Co, MO. Birth Record.
- [S2282] 1920 Douglas Co, OR. Census.
- [S2283] 1910 Douglas Co, OR. Census.
- [S2290] 1930 Texas Co, MO. Census.
- [S2394] 1910 Cass Co, IN. Census.
- [S2404] 1930 Allen Co, IN. Census.
- [S2507] Bill Hickman, e-mail message from e-mail address (New Lexington, OH.) to Howard Hickman, Dec 2008.
- [S2508] 1910 York Co, OH. Census.
- [S2517] Athens Co, OH Birth Records.
- [S2645] Sonja Lane, e-mail message from e-mail address to Howard Hickman, March 2009.
- [S2811] Tammy Naylor, e-mail message from e-mail address to Howard Hickman, 2006.
- [S3025] 1930 Buchanan Co, MO. Census.
- [S3044] 1910 Cheyenne Co, KS. Census.
- [S3170] Bonnie Conrad, e-mail message from e-mail address to Howard Hickman, Feb 2010.
- [S3223] 1930 Benton Co, AR. Census.
- [S3275] Gary Ferguson, e-mail message from e-mail address to Howard Hickman, Aug 2010.
- [S3294] Jim Hickman, e-mail message from e-mail address to Howard Hickman, Aug 2010.
- [S3437] Indiana Birth Record.
- [S3687] 1940 Athens Co, OH. Census.
- [S4007] 1940 Gray Co, TX. Census.
- [S4151] Ft. Wayne, IN. Directory.
- [S4176] John Price, e-mail message from e-mail address to Howard Hickman, Jan 2015.
- [S4211] 1940 Booth Co, IN. Census.
- [S4542] Unknown author, History of Noble County, OH. (Chicago: L.H. Watkins & Co, 1887). Hereinafter cited as History of Noble County, OH.
- [S4546] 1880 Muskingum Co, OH. Census.
- [S4548] Guernsey Co, OH Probate records.
- [S4683] Suzi Huthcinaon, e-mail message from e-mail address to Howard Hickman III, 2008, 2018.
- [S5206] 1950 Texas Co, MO. Census.
- [S5207] 1950 Athens Co, OH. Census.
- [S5221] Andy Hickman, e-mail message from e-mail address to Howard Hickman III.