- [S5] Wendy Zanzig Jenkinson. Family File, Wendy Zanzig. Online n.p., Family File, Wendy Zanzig. Sumner, WA: 14 Apr 2003.
- [S34] "Electronic Army Serial Number Merged File, ca. 1938 - 1946". https://aad.archives.gov/aad/fielded-search.jsp,sl: 1938-1946.
- [S35] Ohio Dept. of Health. Ohio Death Index, 1958-2002. Online http://www.ancestry.com/search/db.aspx?dbid=5763, Ohio Death Index, 1958-2002. Columbus, OH: 2003.
- [S78] Ohio. Lake Co.. 1930 US Census. Unknown record type. Heritage Quest. Www.ancestry.com.
- [S79] Ohio. Cuyahoga Co.. 1900 US Census. Database and images. Ancestry.com. https://search.ancestry.com/search/db.aspx?dbid=7602
- [S80] Anonymous. Official Roster of Ohio Soldiers Sailors and Marines in the World War 1917-1918 Volumes I-XXIII. Ohio Military Men, 1917-18. Online http://www.ancestry.com/search/db.aspx?dbid=4520, Ohio Military Men, 1917-18. Columbus, OH: 2000.
- [S82] Ohio. Cuyahoga Co.. 1920 US Census. Unknown record type. Ancestry.com. Www.ancestry.com.
- [S94] Ohio. Cuyahoga Co.. 1880 US Census. Unknown record type. Ancestry.com. Www.ancestry.com.
- [S104] Ohio. Cuyahoga Co.. 1900 US Census. Database and images. Ancestry.com. https://search.ancestry.com/search/db.aspx?dbid=7602
- [S107] Ohio. Cuyahoga Co.. 1870 US Census. Database and images. Ancestry.com. https://www.ancestry.com/search/collections/7163/
- [S108] Ohio. Cuyahoga Co.. 1910 US Census. Unknown record type. Ancestry.com. Www.ancestry.com.
- [S120] "Florida Death Index, 1877-1998". index. Florida Health Department, Office of Vital Records. http://www.ancestry.com/search/db.aspx?dbid=7338: 2004.
- [S147] Cuyahoga County Probate Court. Cuyahoga Co. (OH) Marriage License Index 1810-Apr 1998. Online http://probate.cuyahogacounty.us/pa/CaseSearch.aspx, Cuyahoga Co. (OH) Marriage License Index 1810-Apr 1998.
- [S150] Cleveland Public Library. Cleveland (OH) Necrology File, 1850-1975. Online http://dxsrv4.cpl.org/WebZ/Authorize, Cleveland (OH) Necrology File, 1850-1975. Cleveland, OH.
- [S160] Ohio. CuyahogaCo.. 1930 US Census. Unknown record type. Heritage Quest. Www.ancestry.com.
- [S161] State of Ohio. Ohio Death Certificate Index, 1913-1937. Online http://www.ohiohistory.org/dindex/, Ohio Death Certificate Index, 1913-1937.
- [S170] Prussia, Brandenburg, Berlin (Jerusalem kirche) Marriage Records 1853-1858. Salt Lake City, UT: Family History Library, 1951.
- [S171] Prussia, Brandenburg, Berlin (St. Georgen kirche) Baptism Records 1842-1843. Salt Lake City, UT: Family History Library, 1951.
- [S179] Zanzig, Rose "Email: Zanzig, Rose, 2006 02 24, "Zanzig study (pd1.htm)"." E-mail message from e-mail address at Security, CO. 24 Feb 2006.
- [S195] Zanzig, Gail Klauminzer. "Zanzig Descendant Charts". Compiled 1984-1989. Bellevue, WA.
- [S196] Telephone Book (online). Online http://find.person.superpages.com/, SuperPages People Pages.
- [S232] Mecklenburg-Schwerin, AG Bützow, Moisall, Kirchenbuch Taufen, Heiraten, Tote 1683-1889 Konfirmationen 1843-1889. Salt Lake City, UT: Family History Library, 1951.
- [S238] Mecklenburg-Schwerin, AG Stavenhagen, Röckwitz, Kirchenbuch Taufen, Heiraten, Tote 1737-1821, 1873-1875. Salt Lake City, UT: Family History Library, 1951.
- [S270] Jenkinson, Wendy Zanzig "Email: Jenkinson, W, 2007 05 11, "Audrrey has passed away"." E-mail message from e-mail address at Bonney Lake, WA. 11 May 2007.
- [S298] News Herald, The (Willoughby, OH). United States Obituary Collection (News Herald (Willoughby, OH)). Online http://www.ancestry.com/search/obit/?us&dbid=7545, United States Obituary Collection (News Herald (Willoughby, OH)): 13 May 2007.
- [S301] Ohio Department of Health. Ohio Deaths, 1908-1953. Online https://www.familysearch.org, Ohio Deaths, 1908-1953: 3 Mar 2007.
- [S327] "Deutschland, Heiraten 1558-1929 (Germany Marriages, 1558-1929)". index. https://www.familysearch.org/search/collection/1473009: 2016.
- [S342] Milwaukee County Register of Deeds. Wisconsin, Milwaukee County Birth indexes, 1854-1932 T-Z. N.p.: FamilySearch.org, filmed 27 Feb 1977.
- [S874] Ohio Department of Health. Ohio, Deaths, 1908-1932, 1938-2007. Online http://www.ancestry.com/search/db.aspx?dbid=5763, Ohio, Deaths, 1908-1932, 1938-2007: 2010.
- [S988] Ancestral File. LDS Familysearch.org, Salt Lake City, Salt Lake, Utah, USA, various.
- [S1329] Zanzig, Robert Allan Jr. "Facebook (Robert A. Zanzig)." E-mail message from unknown author e-mail at Colorado. 19 Sept 2011.
- [S1332] "GenealogyBank.com". Database and images. https://www.genealogybank.com
- [S1412] "Mecklenburg-Schwerin Census, 1900 (Volkszählung am 1. Dezember 1900)". Database and images. Landeshauptarchiv Schwerin. 5.12-3/20 Statistisches Landesamt (1851-1945). https://search.ancestry.com/search/db.aspx?dbid=1191: 2007.
- [S1495] Ohio. Cuyahoga Co.. 1940 US Census. Database and images. Ancestry.com. https://www.ancestry.com/search/collections/1940usfedcen/
- [S1497] Cuyahoga County, Ohio, Marriage Records and Indexes, 1810-1973. Online http://search.ancestry.com/search/db.aspx?dbid=1876, Cuyahoga County, Ohio, Marriage Records and Indexes, 1810-1973: 2010.
- [S1504] Ohio. Lucas Co.. 1900 US Census. Database and images. Ancestry.com. https://search.ancestry.com/search/db.aspx?dbid=7602
- [S1630] "Ohio, County Marriages, 1789-2013". database and images. FamilySearch. https://www.familysearch.org/search/collection/1614804: 2014.
- [S1631] Familysearch. Online http://familysearch.org
- [S1649] "Ohio, County Births, 1841-2003". database and images. https://www.familysearch.org/search/collection/1932106: 2016.
- [S1657] "Ohio, County Death Records, 1840-2001". database and images. https://www.familysearch.org/search/collection/2128172: 2017.
- [S1658] "Hamburg, Germany, Deaths, 1874-1950 (Hamburg, Deutschland, Sterberegister, 1874-1950)". database and images. Staatsarchiv Hamburg. https://search.ancestry.com/search/db.aspx?dbid=60505 or https://www.ancestry.com/search/collections/hamburgdeaths/: 2015.
- [S1662] "Berlin, Germany, Deaths, 1874-1955 (Berlin, Deutschland, Sterberegister, 1874-1955)". database and images. https://search.ancestry.com/search/db.aspx?dbid=2958: 2014.
- [S1666] "Deutschland, ausgewählte Geburten und Taufen, 1558-1898 (Germany, Select Births and Baptisms, 1558-1898)". index. Familysearch. https://search.ancestry.com/search/db.aspx?dbid=9866: 2014.
- [S1687] "Rostock, Germany, Deaths, 1876-1950 (Rostock, Deutschland, Sterberegister...)". database and images. Archiv der Hansestadt Rostock. https://search.ancestry.com/search/db.aspx?dbid=60652: 2015.
- [S1731] Jenkinson, Wendy. "Ron Zanzig." In Facebook. N.p.: n.pub., 8 Dec 2018.
- [S1787] "Ohio, County Marriage Records, 1774-1993". database and images. Ancestry.com Operations, Inc.. https://www.ancestry.com/search/collections/fsmarriageohio/… 2016.
- [S1822] "Germany, Mecklenburg-Schwerin Census, 1900". Database and images. Mecklenburgisches Landeshauptarchiv, Schwerin. https://www.familysearch.org/search/collection/1607939: 2019.
- [S1853] "Eastern Prussian Provinces, Germany [Poland], Selected Civil Vitals, 1874-1945". Database and images. Landesarchiv, Berlin, Deutschland. https://www.ancestry.com/search/collections/60749/: 2016.
- [S1911] "Germany, Schleswig-Holstein, Kreis Steinburg, Civil Registration, 1874-1983". Database and images. https://www.familysearch.org/search/collection/2454663: 2021.
- [S1917] (Ashtabula, Ohio) Star Beacon, Ashtabula, OH, 3 Feb 2021.