"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M3BM-1ZG : accessed 16 December 2020), Ray Drummond in household of Frank Drummond, Oak Grove & Turkey Creek Townships, Franklin, Nebraska, United States; citing enumeration district (ED) 58, sheet 3B, family 69, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,926.
"United States Census, 1920," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MCVF-RM8 : accessed 16 December 2020), Ray Drummond in household of Frank Drummond, Franklin, Nebraska, United States; citing ED 65, sheet 6A, line 15, family 80, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 982; FHL microfilm 1,820,982.