"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9HS-31P : accessed 10 January 2016), Valentine Shields, Magisterial District 2, Cromwell, Ohio, Kentucky, United States; citing sheet 10A, family 189, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,546.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCZ2-3Y8 : accessed 10 January 2016), Valentine Shields in household of Emily Shields, Stewartville, Ohio, Kentucky, United States; citing enumeration district ED 183, sheet 578C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d.), roll 0436; FHL microfilm 1,254,436.
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXWY-K8F : accessed 10 January 2016), Valentine Shields in household of Emily E Shields, Kentucky, United States; citing p. 38, family 262, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,991.
"United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZBQ-1GP : accessed 10 January 2016), Valentine Shields in entry for Pleasant Shields, 1860.