• [S7] USA Federal Census, www.ancestry.com, ancestry.com.
  • [S8] , 1880 USA Federal Census, www.ancestry.com, ancestry.com 1254345.
  • [S9] Olga A L C Lutz, compiler, 'Remembering' Cornelius -Dietzel Descendants Genealogy (Maquoketa, Iowa: Econ-Line Printers, 1975).
  • [S10] Olga A L C Lutz, compiler, History and Genealogy of the Cornelius-Dietzel Descendants in America (Polson, Montana: Treasure State Publishing Company, September 1965). Hereinafter cited as Cornelius-Dietzel Descendants in America.
  • [S11] Olga A L C Lutz, "Supplement # 11," Cornelius Reunion Annual Supplement, Cornelius-Gabel-Hildebrandt Reunion, 11 (Aug 1976). Hereinafter cited as "Supplement # 11."
  • [S13] Olga A L C Lutz, "Supplement # 13," Cornelius Reunion Annual Supplement, Cornelius-Gabel-Hildebrandt Reunion, 13 (Aug 1978). Hereinafter cited as "Supplement # 13."
  • [S17] Olga A L C Lutz, "Supplement # 16," Cornelius Reunion Annual Supplement, Cornelius-Gabel-Hildebrandt Reunion, 16 (Aug 1981). Hereinafter cited as "Supplement # 16."
  • [S20] Olga A L C Lutz, "Supplement # 19," Cornelius Reunion Annual Supplement, Cornelius-Gabel-Hildebrandt Reunion, 19 (Aug 1984). Hereinafter cited as "Supplement # 19."
  • [S37] Olga A L C Lutz, "Supplement # 22," Cornelius Reunion Annual Supplement, Cornelius-Gabel-Hildebrandt Reunion, 22 (Aug 1987). Hereinafter cited as "Supplement # 22."
  • [S168] Obituary of Charlene Berg, Sentinel-Press, Maquoketa, IA (Sat., Aug. 11, 2001),.
  • [S178] "The Cornelius' Family at Unterellen", circa 1990, Eugene A Cornelius and Klaus Fischer (unknown author address), to unknown recipient (unknown recipient address); unknown repository, unknown repository address. Hereinafter cited as "Cornelius Family at Unterellen."
  • [S181] Obituary of Milo W Berg, Carson & Son Funeral Home, Maquoketa, Iowa, 1989. Hereinafter cited as Carson & Son F. H.
  • [S239] Bark Maryland.
  • [S269] Salem Lutheran Church, Letter from.
  • [S270] Letter from Olga Anna Louisa Cornelius, 11 Sep 1990 .
  • [S352] Obituary of Edna L. Bruscher, Le Mars (IA) Daily Sentinel, Le Mars, Iowa, 8 May 2006. Hereinafter cited as Le Mars Sentinel.
  • [S356] World War I Draft Registration Cards, 1917-1918, online http://search.ancestry.com/cgi-bin/sse.dll. Hereinafter cited as WWI draft registrations.
  • [S367] Obituary of Louise (Gabel) Sisler, Jackson Sentinel, Maquoketa, Iowa, 28 Jun 1894, reprinted on iagenweb.org, Online http://iagenweb.org/boards/jackson/obituaries/index.cgi, June 21, 1894. Hereinafter cited as Jackson Sentinel, 28 Jun 1894, reprinted on iagenweb.org.
  • [S386] Obituary of Wiley L Branscomb 1865-1921, Jackson Sentinel, Maquoketa, Iowa, 11 Feb 1921, reprinted on iagenweb.org, iagenweb.org/jackson, Online http://iagenweb.org/boards/jackson/obituaries/index.cgi, 1921. Hereinafter cited as Jackson Sentinel, 11 Feb 1921, reprinted on iagenweb.org.
  • [S391] Obituary of William C Gabel, Jackson Sentinel, Maquoketa, Iowa, 12 Feb 1943, reprinted on iagenweb.org, legacy.com, Online http://iagenweb.org/boards/jackson/obituaries/index.cgi, 1943. Hereinafter cited as Jackson Sentinel, 12 Feb 1943, reprinted on iagenweb.org.
  • [S392] 1 Jun 1900 USA Federal Census, www.ancestry.com, ancestry.com.
  • [S398] Andrew news, Jackson Sentinel, Maquoketa IA (29 Nov 1921),.
  • [S403] 15 Apr 1910 USA Federal Census, www.ancestry.com, ancestry.com T624.
  • [S404] 1 Jan 1920 USA Federal Census, www.ancestry.com, ancestry.com T625.
  • [S414] Obituary of Calvin Lee Campbell, Miller Funeral Home, Sioux Falls, South Dakota, 2009, https://www.millerfh.com/obituary/6482003. Hereinafter cited as Miller F. H.
  • [S416] 1 Apr 1930 USA Federal Census, www.ancestry.com, ancestry.com.
  • [S417] Unknown household, 1 Apr 1940 USA Federal Census, www.ancestry.com, ancestry.com.
  • [S419] Unknown household, 1915 unknown record type, unknown location, Iowa, State Census Collection, 1836-1925, North Carolina Genealogical Services Library 109 East Jones Street, Raleigh, Wake County, North Carolina.
  • [S420] Unknown household, 1925 unknown record type, unknown location, Iowa, State Census Collection, 1836-1925, North Carolina Genealogical Services Library 109 East Jones Street, Raleigh, Wake County, North Carolina.
  • [S458] Eugene Albert Cornelius, Naturalization petitions, 13021 (14 Nov 1960); unknown repository, unknown repository address.
  • [S461] "Eugene Albert Cornelius, M.D. Ph.D.," (C.V., 1991; unknown location); unknown repository reference, unknown repository; unknown repository address. Hereinafter cited as "Eugene Albert Cornelius."
  • [S466] Unknown household, 1885 online database, State Historical Society of Iowa, Des Moines, Iowa, Iowa, State Census 1885, North Carolina Genealogical Services Library 109 East Jones Street, Raleigh, Wake County, North Carolina.
  • [S595] Provo UT, USA Ancestry.com, online unknown url, unknown author (unknown location), downloaded 2014.
  • [S616] Provo UT, USA Ancestry.com, online unknown url, unknown author (unknown location), downloaded 2014.
  • [S763] Obituary of Fredericka Peters Ostert, Jackson Sentinel, Maquoketa, Iowa, 5 March 1920, page 7, reprinted on iagenweb.org, iagenweb.org/jackson, Online http://iagenweb.org/boards/jackson/obituaries/index.cgi, 5 Mar 1920, 7. Hereinafter cited as Jackson Sentinel, 5 March 1920, page 7, iagenweb.org.
  • [S849] Warranty Deed from Geo. Schultz, 1871, Jackson County Register of Deeds, Maquoketa, Iowa. Hereinafter cited as Warranty Deed from Geo. Schultz.
  • [S851] Warranty Deed from John and Emma Demuth, 1884, 50, Jackson County Register of Deeds, Maquoketa, Iowa. Hereinafter cited as Warranty Deed from John and Emma Demuth.
  • [S852] Warranty Deed from Henry and Louise Oberman, 1886, 50, Jackson County Register of Deeds, Maquoketa, Iowa. Hereinafter cited as Warranty Deed from Henry and Louise Oberman, 1886.
  • [S853] Warranty Deed from J H and Anna Reistroffer, 1897, 63, Jackson County Register of Deeds, Maquoketa, Iowa. Hereinafter cited as Warranty Deed from J H and Anna Reistroffer.
  • [S854] Warranty Deed 1 March 1916, Jackson County Register of Deeds, Maquoketa, Iowa. Hereinafter cited as Warranty Deed 1 March 1916.
  • [S856] Warranty Deed to Lewis and Wilhelmina Cornelius 24 Sep 1917, 72, Jackson County Register of Deeds, Maquoketa, Iowa. Hereinafter cited as Warranty Deed 24 Sep 1917.
  • [S1746] Minnie Eichler, State Vital Record A7-470, 11-18-1936,.
  • [S1748] Provo UT, USA Ancestry.com, online unknown url, unknown author (unknown location).
  • [S2035] Petra Dietzel, "Email messages re: Cornelius-Dietzel Ahnenliste Jon Cornelius," e-mail message from P.Dietzel (unknown address) to Jon Cornelius, 11 Sep 2021. Hereinafter cited as "Cornelius-Dietzel Ahnenliste Jon Cornelius."
  • [S2054] John Sabold Gabel entry, U.S. World War II Draft Registration Cards 1942, Gabel, John Sabold, Record Group 147, Series M2097, unknown repository, unknown repository address. Hereinafter cited as WW II Draft Registration.
  • [S2055] Clay Smith Database, unknown repository, unknown repository address; unknown reader, May 20, '65.
  • [S2056] "Record Book #3, Salem Lutheran Church, Andrew, Iowa, Evangelical Lutheran Church of America, Records, 1888-1944," (MS, 1889; ancestry.com); unknown repository reference, unknown repository; unknown repository address. Hereinafter cited as "Salem Lutheran Church, Andrew, Iowa."
  • [S2090] 1 Apr 1950 USA Federal Census, www.ancestry.com, Record Group 29, National Archives, ancestry.com.
  • [S2135] Minnie Eichler, Find A Grave memorial, Fairview Cemetery, 611 Fairview Avenue, Waterloo, Black Hawk County, Iowa;, 1936, https://www.findagrave.com/memorial/74640512
  • [S2152] Eugene Albert Cornelius, Find A Grave memorial, Westminster of Yale Cemetery, New Haven, New Haven County, Connecticutt;, 2016, https://www.findagrave.com/memorial/211529727