"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MS86-3JR : accessed 12 March 2018), W R Sheffield, Civil District 8, Fayette, Tennessee, United States; citing enumeration district (ED) 14, sheet 2A, family 27, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,569.
"Illinois, Cook County Deaths, 1878-1994," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:N7LN-41Q : 11 March 2018), William Sheffield in entry for Howard Sheffield, 08 May 1922; citing , Cook, Illinois, United States, source reference , record number 31, Cook County Courthouse, Chicago; FHL microfilm 1,276,287.