↑ "Illinois Marriages, 1815-1935," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V2PC-HX4 : 29 December 2014), August Bork and Anna Keuster Or Kenster, 22 Jan 1885; citing Piper City, Ford, Illinois; FHL microfilm 1,401,877.
↑ "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS7B-PV9 : 6 March 2015), Anna T Bork in household of August Bork, Brenton Township Piper City vill., Ford, Illinois, United States; citing sheet 4B, family 80, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,300.
↑ "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2B3-W1T : 29 October 2015), Annie S Bork in household of August W Bork, Eagle, Macon, Missouri, United States; citing enumeration district (ED) ED 74, sheet 7B, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,374,809.
↑ "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8CQ-MDM : 14 December 2015), Anna Bork in household of August Bork, Eagle, Macon, Missouri, United States; citing sheet 2B, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,820,934.
↑ "United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K77W-Z46 : 17 May 2014), Anna Bork in household of August Bork, Eagle Township, Macon, Macon, Missouri, United States; citing enumeration district (ED) 61-8, sheet 7B, family 165, NARA digital publication T627 (Washington, D.C.: National Archives and Records Administration, 2012), roll 2126.