| Kilder |
- [S22] Tvedestrandsposten, Tvedestrand, Aust-Agder, 05.01.1989 (Troverdighet: 3).
- [S46] Ancestry.com, Ancestry.com. U.S., Evangelical Lutheran Church in America Church Records, 1781-1969 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2015. (Troverdighet: 3).
- [S238] Find a grave, (USA), Memorial page for Adolf Marcelius Bergh Jacobsen (29 Jun 1926–3 Dec 2014), Find a Grave Memorial ID 141807924, citing Fort Rosecrans National Cemetery, San Diego, San Diego County, California, USA; Maintained by PIN (contributor 47281994). (Troverdighet: 3).
https://www.findagrave.com/memorial/141807924/adolf-marcelius_bergh-jacobsen
- [S238] Find a grave, (USA), https://www.findagrave.com/memorial/141807924/adolf-marcelius_bergh-jacobsen (Troverdighet: 3).
Accessed 22 October 2023, memorial page for Adolf Marcelius Bergh Jacobsen (29 Jun 1926– 3 Dec 2014), Find a Grave Memorial ID 141807924, citing Fort Rosecrans National Cemetery, San Diego, San Diego County, California, USA; Maintained by PIN (contributor 47281994).
- [S290] Den norske sjømannsmisjon ministerialbok New York A 10 1946 - 1960. USA, I egteskab inntraadte 1948. Nr. 26. Adolf Marcelius Berg Jacobsen og Mary Alice Tellefsen. (Troverdighet: 3).
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