"United States Census, 1910," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MLD6-VD2 : accessed 12 Aug 2014), Harriett Sanderson in household of James E Sanderson, Richfield, Lucas, Ohio, United States; citing enumeration district (ED) 26, sheet 10B, family 219, NARA microfilm publication T624, FHL microfilm 1375220.
"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MD5Z-LTG : accessed 12 Aug 2014), Harriett Sanderson in household of James E Sanderson, Richfield, Lucas, Ohio, United States; citing sheet 2B, family 57, NARA microfilm publication T625, FHL microfilm 1821407.
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X444-PPB : accessed 12 Aug 2014), Harriet Sanderson in household of James E Sanderson, Richfield, Lucas, Ohio, United States; citing enumeration district (ED) 0169, sheet 3A, family 60, NARA microfilm publication T626, roll 1832.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KWFR-JKD : accessed 12 Aug 2014), Harriet Sanderson in household of James E Sanderson, Berkey Village, Richfield Township, Lucas, Ohio, United States; citing enumeration district (ED) 48-17, sheet 3A, family 56, NARA digital publication of T627, roll 3105.
"Ohio, Deaths, 1908-1953," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/X8SD-NKC : accessed 12 Aug 2014), Harriett Verhaar Sanderson, 27 Dec 1940; citing Richfield, Lucas, Ohio, reference fn 76037; FHL microfilm 2023887.