https://www.findagrave.com/memorial/3379934
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JLZ8-VM2 : 20 May 2014), John L Ross, 11 Oct 1988; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
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