"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9KQ-QY2 : accessed 7 November 2019), Lizzie M Sebring in household of William Sebring, Des Moines Township, Boone, Iowa, United States; citing enumeration district (ED) 5, sheet 7A, family 129, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,418.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:ML1Q-SYB : accessed 1 October 2017), Elizabeth Sebring in household of William E Sebring, Des Moines, Boone, Iowa, United States; citing enumeration district (ED) ED 5, sheet 2A, family 18, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 392; FHL microfilm 1,374,405.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8B9-WXG : accessed 7 November 2019), Elizabeth Sebring in household of Wm E Sebring, Boone Ward 4, Boone, Iowa, United States; citing ED 12, sheet 3A, line 32, family 59, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 479; FHL microfilm 1,820,479.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XMND-DXC : accessed 7 November 2019), Elizabeth Mattson in household of Amelia H Sebring, Des Moines, Boone, Iowa, United States; citing enumeration district (ED) ED 13, sheet 2B, line 85, family 45, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 643; FHL microfilm 2,340,378.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KMTQ-96Y : 20 August 2019), Elizabeth M Mattson in household of Emanuel P Mattson, Ward 4, Boone, Des Moines Township, Boone, Iowa, United States; citing enumeration district (ED) 8-13, sheet 5A, line 7, family 91, 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 1141.