"California, County Marriages, 1850-1952," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XLWB-R59 : 4 August 2017), William Reynolds Coon and Jeannette Durbin, 02 Oct 1909; citing Los Angeles, California, United States, county courthouses, California; FHL microfilm 1,033,217.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MH7X-4Y2 : accessed 9 November 2017), William R Coon, Pomona Ward 4, Los Angeles, California, United States; citing ED 595, sheet 7A, line 34, family 173, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 118; FHL microfilm 1,820,118.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XCD3-H9H : accessed 9 November 2017), William R Coon, Pomona, Los Angeles, California, United States; citing enumeration district (ED) ED 1465, sheet 3B, line 80, family 92, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 174; FHL microfilm 2,339,909.
"William R. Coon," The Progress Bulletin (Pomona, California) 10 Mar 1976: 4. Print.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V9RY-T65 : 19 May 2014), William Coon, Mar 1976; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
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