"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MM6G-68N : accessed 3 August 2017), George H Hedrick in household of George S Hedrick, Jackson Township, Putnam, Ohio, United States; citing enumeration district (ED) 61, sheet 9B, family 178, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,315.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLNZ-4XB : accessed 3 August 2017), George Hedrick in household of George S Hedrick, Jackson, Putnam, Ohio, United States; citing enumeration district (ED) ED 69, sheet 7A, family 128, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1226; FHL microfilm 1,375,239.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MDPX-BWG : accessed 3 August 2017), Geo H Hedrick, Jackson, Putnam, Ohio, United States; citing ED 97, sheet 5B, line 68, family 94, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1429; FHL microfilm 1,821,429.