"Illinois, Cook County, Birth Certificates, 1871-1940," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N77G-8QH : 18 May 2016), John Edward Baumrucker, 04 Jul 1917; citing Oak Park, Cook, Illinois, United States, reference/certificate 353, Cook County Courthouse, Chicago; FHL microfilm 1,308,561.
