| Sources |
- [S1790] Social Security Administration, Social Security Applications and Claims Index, 1936-2007, (Ancestry.com (http://www.ancestry.com : 2015)), entry for Harry Dale Crookshanks, 2006, SS no. 236-52-4311, accessed 15 Apr 2025 (Reliability: 3).
- [S2021] FamilySearch, Salt Lake City, UT, Ohio, County Marriages, 1774-1993, ((http://www.ancestry.com : 2016)), accessed 14 Apr 2025), Crookshanks-Jackson, 1922, Jackson County; Film No. 001307813. (Reliability: 3).
- [S1775] Virginia Department of Health, Ancestry.com Operations, Inc., Virginia, Marriage Records, 1936-2014, (http://www.ancestry.com :2015.), marriage certificate 2591 (1956), Crookshanks-Mullins accessed 14 Apr 2025. (Reliability: 3).
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