"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K998-9L3 : 14 March 2018), Ruth Schermerhorn in household of Paul R Schermerhorn, West Clarkston Election Precinct, Asotin, Washington, United States; citing enumeration district (ED) 2-15, sheet 5A, line 19, family 97, 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 4331.