- [S331] Horace Henderson Draft Registration, US World War I Draft Registration Card, 1683984 (Washington, DC: NARA)available online at http://ancestry.com.
- [S337] "Elko County Death Records." Available online at http://files.usgwarchives.net/nv/elko/cemeteries/…. Citing Northeastern Nevada Museum 1515 Idaho St., Elko, NV 89801.
- [S829] Silas Headley household, 1880 US Census, Northumberland, Virginia, population schedule, Heathsville, sheet 23, dwelling 211, family 219, National Archives micropublication T9-1382, Downloaded April 2013 from Ancestry.com.
- [S1129] Horace F Henderson household, 1910 US Census, McLean, Illinois, population schedule, Anchor, Enumeration District 75, sheet 14B, dwelling 159, family 159, National Archives micropublication T624-305, Downloaded October 2013 from Ancestry.com.
- [S1191] Stella Henderson household, 1920 US Census, McLean, Illinois, population schedule, Normal, Enumeration District 146, sheet 10B, dwelling 226, family 243, National Archives micropublication T625-387, Downloaded October 2013 from Ancestry.com.
- [S1197] Isaac Helmick household, 1910 US Census, Kit Carson, Colorado, population schedule, Precinct 3, Enumeration District 90, sheet 1A, dwelling 5, family 5, National Archives micropublication T624-120, Downloaded October 2013 from Ancestry.com.
- [S1199] "Rootsweb's WorldConnect Project Tree ID 296865." Database. Available online at http://wc.rootsweb.ancestry.com (enter 296865 as TreeId and invidual's name on search page.); citing data provided by Emery Hovermale.
- [S1201] The Ottawa Herald, Ottawa, Kansas Obituaries Phoebe A Hicks, January 15 1999, 2A.
- [S1202] Isaac H Helmick household, 1930 US Census, El Paso, Colorado, population schedule, Colorado Springs, Enumeration District 27, sheet 4A, dwelling 72, family 72, National Archives micropublication T626-241, Downloaded October 2013 from Ancestry.com.
- [S1203] Corchi (Archie) Helmick household, 1940 US Census, Denver, Colorado, population schedule, Denver, Enumeration District 16-166, sheet 19B, Address 1808 Gaylord St, family 456, Reported by Muriel Helmick, National Archives micropublication T627-488, Downloaded October 2013 from Ancestry.com.
- [S1716] Richmond Times-Dispatch, Virginia Obituary for Sterlin Davis Headley, December 8, 2001, B-8.
- [S1862] Sarah Isabel Headley Forrester, Death Certificate 7189 (March 14, 1938), issued by State of Virginia. (photocopy) Home Library 2690 Shrubwood Circle, Simi Valley, Ventura, California, USA.
- [S2046] "Virginia, Marriage Records, 1936-2014." index and images. Available online at https://www.ancestry.com/search/collections/9279/; citing Virginia, Marriages, 1936-2014. Virginia Department of Health, Richmond, Virginia.
- [S3102] "Waldo County, Maine Deaths, 1743-1892: Belfast." Index. Available online at https://www.ancestry.com/search/collections/5298/; citing Vital Records of Belfast, ME. Boston, MA, USA: Alfred Johnson of the New England Historic Genealogical Society (101 Newbury Street, Boston, MA 02116-3087), 1743.
- [S3112] "US, Department of Veteran Affairs Death File, 1850 - 2010 Thomas." Index. Available online at https://www.ancestry.com/search/collections/2441/ data for Thomas Headley; citing Beneficiary Identification Records Locator Subsystem (BIRLS) Death File. Washington, D.C.: U.S. Department of Veterans Affairs.
- [S3183] "Waterville, ME: Death Records, 1785-1892." Index. Available online at https://www.americanancestors.org; citing Original manuscript by Sara Drummond Lang, Vital Records of Waterville, Maine To the Year 1892: Deaths. 1949.
- [S3650] Loyd H Van Patten household, 1930 US Census, Warren County, Iowa, population schedule, Squaw, Enumeration District 24, sheet 6B, dwelling 125, family 125, National Archives micropublication T626.
- [S3681] Zebedee Gilliam Headley Draft Registration, US World War I Draft Registration Card (Washington DC: NARA). Hereinafter cited as WWI Draft Card.
- [S4034] John Kent household, 1860 US Census, Northumberland, Virginia, population schedule, Lottsburg, sheet 824, dwelling 216, family 218, National Archives micropublication M653-M653_1367.
- [S4035] Tempy Winstead household, 1870 US Census, Northumberland, Virginia, population schedule, Lottsburg, sheet 62B, dwelling 197, family 194, National Archives micropublication M593-1669.
- [S4036] Wesley Hendrick household, 1850 US Census, Wayne County, New York, population schedule, Wolcott, sheet 538a, dwelling 413, family 413, National Archives micropublication M432-613.
- [S4117] Farmer City Journal, Farmer City, Illinois Henry-Herrick Wedding, 24 December, 1909, 1.
- [S4118] The Pantagraph, Bloomington, Illinois unknown article title, 09 February, 1936, 6.
- [S4119] Herrick Henry household, 1950 US Census, Wayne County, Michigan, population schedule, Wyandotte , Enumeration District 82-400, sheet 7, Address 2033 Fourth, family 68, National Archives micropublication Roll 2460.
- [S4314] Lloyd Holden Van Patten household, 1950 US Census, Warren County, Iowa, population schedule, Indianola , Enumeration District 91-35, sheet 5, Address 807 E Salem, family 56, National Archives micropublication Roll 2511.