United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M3ZG-RTY : accessed 1 August 2020), La* Collings, Ravanna Township Ravenna town, Mercer, Missouri, United States; citing enumeration district (ED) 120, sheet 4B, family 86, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,874.
United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2BC-925 : accessed 1 August 2020), W L Collings, Ravanna, Mercer, Missouri, United States; citing enumeration district (ED) ED 124, sheet 13B, family 298, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 799; FHL microfilm 1,374,812.
United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8CW-KQ6 : accessed 1 August 2020), Lafe W Collings, Morgan, Mercer, Missouri, United States; citing ED 125, sheet 6B, line 82, family 156, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 935; FHL microfilm 1,820,935.
United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XHNS-LTR : accessed 1 August 2020), Lafe W Collings, Ravanna, Mercer, Missouri, United States; citing enumeration district (ED) ED 12, sheet 3B, line 63, family 72, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1212; FHL microfilm 2,340,947.
United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K77C-JJS : 24 January 2020), Lafe Collings, Ravanna Township, Mercer, Mercer, Missouri, United States; citing enumeration district (ED) 65-12, sheet 6B, line 70, family 138, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 2128.