| Sources |
- [S2079] Delaware Delaware Vital Records, Ancestry.com Operations, Inc., Delaware, Birth Records, 1800-1932, (http://www.ancestry.com :2010.), birth certificate 1297 (1913), Margarette Marvel, accessed 13 Jan 2020. (Reliability: 3).
- [S1652] Social Security Administration, SSDI, (Ancestry.com (http://www.ancestry.com : 2011)), entry for Margaret Peterson, 2012, SS no. 222-07-3971, accessed 13 Jan 2020 (Reliability: 3).
- [S2078] Delaware. Wilmington., The Morning News (Wilmington, DE), "Obituaries, Margaret K. Peterson," 1 Aug 2012, p. B8, col. D; digital images, \i Newspapers.com\i0 ?(http://www.newspapers.com : accessed 13 Jan 2020). (Reliability: 3).
- [S2076] Delaware Bureau of Vital Statistics, Hall of Records, Dover, Delaware, Ancestry.com Operations, Inc., Delaware, Marriage Records, 1750-1954, (http://www.ancestry.com :2016.), marriage certificate 713 (1939), Peterson-Marvel accessed 12 Jan 2020. (Reliability: 3).
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