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- [S41] State of California Department of Health Services, California Death Index, 1940-1997.
- [S345] Federal Census Record: Montgomery Co., OH 1920.
- [S313] Federal Census Record: Los Angeles Co., CA 1930.
- [S1290] California, United States, California Voter Registrations, 1900-1968, (Digital images. Ancestry.com. http://www.ancestry.com : 2008), vol. 1930: Los Angeles County, Long Beach City Precinct No. 212, Frank T. & Mrs. Mary E. Davis; digital images, \i Ancestry.com\i0 ?(http://www.ancestry.com : accessed 2 Feb 2010) (Reliability: 3).
- [S1565] California, Los Angeles County, FCR: Los Angeles Co., CA 1940, (http://www.ancestry.com: National Archives and Records Administration, 2012), T627, roll 372, Long Beach, enumeration district (ED) 59-80, sheet 3B, p. 1579, household 2652, Frank T. Davis, accessed 3 Aug 2012 (Reliability: 3).
- [S1290] California, United States, California Voter Registrations, 1900-1968, (Digital images. Ancestry.com. http://www.ancestry.com : 2008), vol. 1942: Los Angeles County, Long Beach City Precinct No. 31, Frank T. & Mrs. Mary E. Davis; digital images, \i Ancestry.com\i0 ?(http://www.ancestry.com : accessed 2 Feb 2010) (Reliability: 3).
- [S1241] Find A Grave, Find A Grave, ((http://www.findagrave.com/)), accessed 16 Feb 2012), Frank T. Davis, memorial #57466332; recorded by Masco (#47265747). (Reliability: 3).
- [S730] Marriage Index: West Virginia, 1863-1900.
- [S1852] Indiana Works Progress Administration, 1938-1940, Indiana, Marriage Index, 1800-1941, ((http://www.ancestry.com : 2005)), accessed 13 Dec 2020), Davis-Childers, 1909, Marion County. (Reliability: 3).
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