"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MGJG-Y83 : accessed 2 March 2022), Chas E Wells, Snohomish Ward 3, Snohomish, Washington, United States; citing enumeration district (ED) ED 309, sheet 7A, family 145, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1669; FHL microfilm 1,375,682.
"Washington Death Certificates, 1907-1960," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NQ9M-C9B : 10 March 2018), Charles E. Wells, 20 Jan 1924; citing Snohomish, Snohomish, Washington, reference , Bureau of Vital Statistics, Olympia; FHL microfilm 2,022,224.
Find a Grave, database and images (https://www.findagrave.com/memorial/13893812/charles-e-wells : accessed 02 March 2022), memorial page for Charles E. Wells (4 Mar 1829–20 Jan 1924), Find a Grave Memorial ID 13893812, citing Grand Army of the Republic Cemetery, Snohomish, Snohomish County, Washington, USA ; Maintained by C&P LaPlante Files (contributor 46814587).