"United States Civil War Soldiers Index, 1861-1865," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FS74-P5S : 4 December 2014), Wm. K. Shoptaw, , Company D, 3rd Regiment, Arkansas Cavalry, Union; citing NARA microfilm publication M383 (Washington D.C.: National Archives and Records Administration, n.d.), roll 3; FHL microfilm 881,490.
"United States Census, 1880," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MNWZ-TMN : 12 August 2017), William Shoptaw, 1880; citing enumeration district ED 91, sheet 293B, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 0048; FHL microfilm 1,254,048. McKennon, Johnson County, Arkansas
2nd Marriage to Tennessee (Underwood) Miller Dec 15, 1881 in Yell County, Arkansas; Source Information; Ancestry.com. Arkansas, County Marriages Index, 1837-1957 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2011. Original data: "Arkansas County Marriages, 1838–1957." Index. FamilySearch, Salt Lake City, Utah, 2009, 2011. "Arkansas County Marriages, 1838–1957," database, FamilySearch; from Arkansas Courts of Common Pleas and County Clerks. Digital images of originals housed at various county courthouses in the State of Arkansas. Marriage records. FHL Film Number 1026493