| Kilder |
- [S46] Ancestry.com, New York, New York, U.S., Marriage License Indexes, 1907-2018 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2017. (Troverdighet: 3).
- [S46] Ancestry.com, Registration State: New York; Registration County: New York Ancestry.com. U.S., World War I Draft Registration Cards, 1917-1918 [database on-line]. Provo, UT, USA: Ancestry.com Operations Inc, 2005. (Troverdighet: 3).
- [S46] Ancestry.com.
- [S46] Ancestry.com, New York City Department of Records & Information Services; New York City, New York; New York City Death Certificates; Distrikt: Queens; År: 1926. New York, New York, register över dödsattester, 1862-1948 [database on-line]. Lehi, UT. USA: 2020. (Troverdighet: 3).
- [S238] Find a grave, (USA), https://www.findagrave.com/memorial/236790551/louise-johnsen (Troverdighet: 3).
Accessed 15 October 2023, memorial page for Louise Johnsen (1884– 1929), Find a Grave Memorial ID 236790551, citing Saint Michael's Cemetery, East Elmhurst, Queens County, New York, USA; Maintained by EBruen (contributor 48112799).
- [S46] Ancestry.com, New York, New York, U.S., Extracted Marriage Index, 1866-1937 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2014. (Troverdighet: 3).
- [S82] Folketelling USA 05.01.1920, Census Place: Queens Assembly District 1, Queens, New York; Roll: T625_1229; Page: 1B; Enumeration District: 35 (Troverdighet: 3).
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