"Cook County, Illinois Birth Index, 1916-1935," database, Ancestry
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Title "Cook County, Illinois Birth Index, 1916-1935," database, Ancestry Publisher (https://www.search.ancestry.com : 2008) Repository Cook County Clerk Source ID S749 Example "Cook County, Illinois Birth Index, 1916-1935," database, Ancestry , ((https://www.search.ancestry.com : 2008)) Linked to (1) William Hector HENTIG