| Sources |
- [S502] Maitland Cemetery (Holt County, Missouri), Missouri, Holt County -- Maitland Cemetery, 7 Oct 2025, Elmer and Alice Hamlin Helms marker, photographed by Cynthia Kenny, November 2014.
- [S503] Iowa -- Marriage Records 1880-1949, ((https://www.ancestry.com/search/collections/8823/ : 2014)), 8 Oct 2025, accessed 07 Oct 2025), Dayton Helms - Hildred Pulley.
- [S64] Missouri Bureau of Vital Records, Missouri Secretary of State, Missouri -- Death Certificates 1910-1974, (https://s1.sos.mo.gov/Records/Archives/ArchivesMvc/ :n.d.), 9 Oct 2025, death certificate 36724 (1928), Elmer A. Helms, accessed 09 Oct 2025.
- [S409] Social Security Administration, United States -- Social Security Numerical Identification Files (NUMIDENT), 1936-2007, (United States, Social Security Numerical Identification Files (NUMIDENT), 1936-2007 (https://www.familysearch.org/search/collection/5000016)), 12 Oct 2025, entry for David B. Helms, 1936, SS no. N/A, accessed 08 Oct 2025.
- [S409] Social Security Administration, United States -- Social Security Numerical Identification Files (NUMIDENT), 1936-2007, (United States, Social Security Numerical Identification Files (NUMIDENT), 1936-2007 (https://www.familysearch.org/search/collection/5000016)), 12 Oct 2025, entry for David Brooks Helm, 1943, SS no. N/A, accessed 08 Oct 2025.
- [S64] Missouri Bureau of Vital Records, Missouri Secretary of State, Missouri -- Death Certificates 1910-1974, (https://s1.sos.mo.gov/Records/Archives/ArchivesMvc/ :n.d.), 13 Oct 2025, death certificate 16580 (1951), David Brook Helm, accessed 13 Oct 2025.
|