- [S1730] 1880 United States Federal Census.
- [S1738] Ohio Death certificate number 17641.
- [S1739] Marion Star newspaper edition of 5 Mar 1927.
- [S1745] Greene county, Pennsylvania Will book 1, page 181.
- [S1748] Headstone, Conley-Hickman cemetery.
- [S1749] Greene county, Pennsylvania Appearance book 7, page 25.
- [S1755] Tyler county, West Virginia Death Record Book 3, page 70.
- [S1756] Tyler County Star, edition of Thursday, 2 May 1907.
- [S1757] Tyler county, West Virginia Death Record Book 2, page 88.
- [S1758] Tyler county, West Virginia Will Record Book 4, page 174.
- [S1759] Tyler county, West Virginia Death Record Book 1, page 95.
- [S1761] West Virginia Division of Vital Statistics, Certificate of Death, Dist. #4821, Serial #1, State File #1246.
- [S1762] Tyler county, West Virginia Death Record Book 5, page 83.
- [S1763] Tyler county, West Virginia Death Record Book 6, page 15.
- [S1764] West Virginia Division of Vital Statistics, Certificate of Death, Dist. #480, Serial #62, State File #11041.
- [S1765] Tyler County Marriage Register Book 2, page 47.
- [S1767] Wirt County, West Virginia Will Book 3-185, page 160.
- [S1769] Wirt County, WV. Marriage Register.
- [S1773] Wirt County, WV. Birth Register.
- [S1774] Marriage certificate issued by Circuit Court Clerk of Garrett county, Maryland.
- [S1775] Tyler County Delayed Birth Register Book 1, page H8.
- [S1820] Richard Hickman, e-mail message from e-mail address to Howard Hickman, Jan 2008 and April 2008.
- [S1822] 1920 Tyler Co, WV. Census.
- [S1824] Jason Hickman, e-mail message from unknown author e-mail (WV.) to Howard Hickman, Nov 2007 through 2009.
- [S1833] Pat Davis, e-mail message from e-mail address to Howard Hickman, Jan 2008.
- [S1981] 1920 Portage Co, OH. Census.
- [S1983] 1920 Loraine Co, OH. Census.
- [S2012] 1930 Muskingum Co, OH. Census.
- [S2038] 1870 Wirt Co, WV. Census.
- [S2039] 1930 Wirt Co, WV. Census.
- [S2113] 1910 Noble Co, OH. Census.
- [S2122] 1900 Guernsey Co, OH. Census.
- [S2272] Wirt Co Fiduciary Record.
- [S2388] 1930 Noble Co, OH. Census.
- [S2619] Melissa Windsor, e-mail message from e-mail address to Howard Hickman, Feb 2008.
- [S2709] Loretta Gartman, e-mail message from e-mail address (Charleston, WV.) to Howard Hickman, April 2009.
- [S2799] 1910 Portage Co, OH. Census.
- [S2829] http://rbuckley.tripod.com/html/g0000056.html#I0518
- [S2832] http://rbuckley.tripod.com/html/g0000074.html#I0520
- [S2837] 1900 Roane Co, WV. Census.
- [S2838] 1920 Le Flore Co, OK. Census.
- [S2903] Noble County Leader.
- [S3998] 1940 Musingum Co, OH. Census.
- [S4435] 1940 Wirt Co, WV. Census.
- [S4694] H.H. Hardesty & Co, History of Monroe County, Ohio (Chicafo and Toledo: H.H. Hardesty & Co, 1882).
- [S4708] Helen Hickman, e-mail message from e-mail address to Howard Hickman III, April 2018.
- [S4745] IN Death Record.
- [S5046] 1930 Lake Co, IN. Census.
- [S5143] Chandler Hickman, e-mail message from e-mail address to Howard Hickman III, July 2021.
- [S5336] The Champaign Daily Gazette.