FamilySearch (https://familysearch.org/ark:/61903/1:1:NQ12-9DR : 8 March 2018), George John Hirtzel, 21 Jan 1932; Public Board of Health, Archives, Springfield; FHL microfilm 1,684,273. (Deed) - George John Hirtzel, "Illinois Deaths and Stillbirths, 1916-1947" » Quellen » Généalogie Hoffet » Genealogie Online"> FamilySearch (https://familysearch.org/ark:/61903/1:1:NQ12-9DR : 8 March 2018), George John Hirtzel, 21 Jan 1932; Public Board of Health, Archives, Springfield; FHL microfilm 1,684,273. (Deed) - George John Hirtzel, "Illinois Deaths and Stillbirths, 1916-1947" » Quellen » Généalogie Hoffet » Genealogie Online">
"Illinois Deaths and Stillbirths, 1916-1947," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NQ12-9DR : 8 March 2018), George John Hirtzel, 21 Jan 1932; Public Board of Health, Archives, Springfield; FHL microfilm 1,684,273. - George John Hirtzel, "Illinois Deaths and Stillbirths, 1916-1947"
https://familysearch.org/ark:/61903/1:1:NQ12-9DR