"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2F5-BDS : accessed 6 December 2016), Oliver Wilson Runckles in household of Marion V Runckles, Woodville, Frederick, Maryland, United States; citing enumeration district (ED) ED 76, sheet 11A, family 209, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 565; FHL microfilm 1,374,578.
The Church of Jesus Christ of Latter-day Saints, "Ancestral File," database, FamilySearch (https://familysearch.org/ark:/61903/2:1:M7XR-C1B : accessed 2016-12-06), entry for Oliver Wilson RUNKLES.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M6QG-N8Q : accessed 6 December 2016), Oliver W Runkles in household of Marion V Runkles, Woodville, Frederick, Maryland, United States; citing enumeration district (ED) ED 86, sheet 10A, line 5, family 200, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 673; FHL microfilm 1,820,673.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHZQ-WMW : accessed 6 December 2016), O Wilson Runkles, Norristown, Montgomery, Pennsylvania, United States; citing enumeration district (ED) ED 96, sheet 5A, line 37, family 113, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2083; FHL microfilm 2,341,817.