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- [S2538] South Dakota, Day County, FCR: Day Co., SD 1900, (http://www.ancestry.com: National Archives and Records Administration, 2004), T623, roll 1549, Highland, enumeration district (ED) 122, sheet 7A, p. 159, dwelling 109, family 110, Andrew J. Barnett, accessed 9 Dec 2025 (Reliability: 3).
- [S2539] South Dakota Department of Health, South Dakota, U.S., Death Index, 1879-1955, ((http://www.ancestry.com : 2004)), accessed 9 Dec 2025), Andrew J. Barnett, 1911, Day County; citing certificate no. 28353. (Reliability: 3).
- [S1241] Find A Grave, Find A Grave, ((http://www.findagrave.com/)), accessed 9 Dec 2025), memorial page for Andrew J Barnett (14 May 1835–29 Nov 1911), Find a Grave Memorial ID 19179499; citing Webster Cemetery, Webster, Day County, South Dakota, USA; Maintained by Beverly Ayer McLaughlin (contributor 46905832). (Reliability: 3).
- [S2289] Minnesota Association of County Officers (MACO), Minnesota, U.S., Marriages from the Minnesota Official Marriage System, 1850-2022, ((http://www.ancestry.com : 2022)), accessed 4 Dec 2025), Barnett-Barder, 1885, Fillmore County; certificate no. C-356c. (Reliability: 3).
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