"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M3BD-8RZ : accessed 13 August 2018), William Yates in household of F J Yates, Waverly Precinct Waverly village, Lancaster, Nebraska, United States; citing enumeration district (ED) 84, sheet 1A, family 6, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,934.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:ML4G-2VM : accessed 13 August 2018), William Yates in household of Thomas J Yates, Waverly, Lancaster, Nebraska, United States; citing enumeration district (ED) ED 104, sheet 3A, family 56, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 850; FHL microfilm 1,374,863.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MCKN-NP2 : accessed 13 August 2018), William Yates in household of Thomas Yates, University Place, Lancaster, Nebraska, United States; citing ED 48, sheet 9A, line 17, family 213, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 995; FHL microfilm 1,820,995.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VRRF-C26 : accessed 13 August 2018), William L Yates, Gladstone, Gladstone Election Precinct 1, Clackamas, Oregon, United States; citing enumeration district (ED) 3-30, sheet 8B, line 60, family 189, 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 3354.