"United States Census, 1860", database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:M87R-SS7 : 13 December 2017), John W Shoptaw, 1860. Clarke Township, Pope County, Arkansas
"Arkansas Marriages, 1837-1944," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:FQ11-2YX : 10 February 2018), John T. Shoptaw and Martha H. Pless, 19 Oct 1879; citing , Pope, Arkansas; FHL microfilm 1,034,012.
"United States Census, 1880," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MNWK-HWC : 12 August 2017), John T Shoptaw, 1880; citing enumeration district ED 135, sheet 69D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 0054; FHL microfilm 1,254,054.
"United States Census, 1900," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:M3XM-H6J : accessed 26 June 2019), John I Shoptaw, Clark Township London town, Pope, Arkansas, United States; citing enumeration district (ED) 171, sheet 3A, family 42, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,072.
"United States Census, 1910," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MKVP-D1Q : accessed 26 June 2019), Thomas J Shoptaw, Clark, Pope, Arkansas, United States; citing enumeration district (ED) ED 80, sheet 11A, family 187, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 61; FHL microfilm 1,374,074.