↑ "Tennessee, Civil War Service Records of Confederate Soldiers, 1861-1865," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FZWD-QV9 : 4 December 2014), John B Shields, 1862; from "Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Tennessee," database, Fold3.com (http://www.fold3.com : n.d.); citing military unit Fifty-ninth Mounted Infantry (Cooke's Reg, Eakin's Batt), NARA microfilm publication M268 (Washington, D.C.: National Archives and Records Administration, 1960), roll 336.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCD6-2JR : 4 April 2020), John R Shields in household of James Shields, Grainger county, Grainger, Tennessee, United States; citing family 1, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MD7Z-759 : 15 July 2017), John Shields in household of Sarah Taylor, Burnetts, Hamblen, Tennessee, United States; citing enumeration district ED 73, sheet 391C, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,255,258.