Kilder |
- [S173] Tipton, Jim, m.fl. (red.), Find a Grave, (https://www.findagrave.com).
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), https://www.familysearch.org/tree/person/details/G9VW-6P6.
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 1 okt. 2020, https://www.familysearch.org/ark:/61903/1:1:N77P-PR2.
"Illinois, Cook County Birth Registers, 1871-1915," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N77P-PR2 : 10 March 2018), Lengert, 19 Aug 1874; citing p 124 ln 35, Chicago, Cook, Illinois, Cook County Courthouse, Chicago; FHL microfilm 1,287,721.
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 1 okt. 2020, https://www.familysearch.org/ark:/61903/3:1:3QSQ-G9MB-ZSMK?i=3&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AKW44-Y4L.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/3:1:3QSQ-G9MB-ZSMK?cc=2000219&wc=QZXT-SXG%3A790104501%2C791862901%2C793518901%2C793533101 : accessed 1 October 2020), Illinois > Cook > Oak Park Township, Oak Park > 16-353 Oak Park Township, Oak Park Village > image 4 of 54; citing Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012.
- [S173] Tipton, Jim, m.fl. (red.), Find a Grave, (https://www.findagrave.com), 1 apr. 2024, https://www.findagrave.com/memorial/106585456/bertha-l.-bay.
ID 106585456
- [S463] The Church of Jesus Christ of Latter-day Saints, FamilySearch, (https://www.familysearch.org), 1 okt. 2020, https://www.familysearch.org/ark:/61903/1:1:N76K-45T.
"Illinois, Cook County Marriages, 1871-1920", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N76K-45T : 10 March 2018), Hans Bay and Bertha Lengert, 26 Oct 1894.
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