"The Church of Jesus Christ of Latter-day Saints, Church Census Records (Worldwide), 1914-1960", , FamilySearch (https://www.familysearch.org/ark:/61903/1:1:DJS3-23W2 : 18 January 2023), Duane Kay Chynoweth in entry for Leland Harvey Chynoweth, 1960.
"Texas Death Index, 1964-1998," , FamilySearch (https://familysearch.org/ark:/61903/1:1:JVNK-82D : 5 December 2014), Duane K Chynoweth, Harris, Texas, United States; citing Department of State Health Services, Austin.