| Kilder |
- [S84] Family Search, (USA).
- [S241] Folketelling USA 01.04.1940, Seventeenth Census of the United States, 1950; År: 1950; Folkräkningsplats: New York, New York, New York; Rulle: 339; Sida: 72; Räkningsdistrikt:: 31-335 (Troverdighet: 3).
- [S46] Ancestry.com, USA, socialförsäkringsuppgifter, 1936-2007 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2015. (Troverdighet: 3).
- [S238] Find a grave, (USA), Memorial page for Sylvia D'Allesandro (1918–1998), Find a Grave Memorial ID 172809068, citing Pelham Cemetery, City Island, Bronx County, New York, USA; Maintained by Denise Young (contributor 49881423). (Troverdighet: 3).
https://www.findagrave.com/memorial/172809068/sylvia-d'allesandro
- [S241] Folketelling USA 01.04.1940, Folkräkningsplats: New York, Bronx, New York; Rulle: m-t0627-02487; Sida: 2A; Räkningsdistrikt:: 3-1066 (Troverdighet: 3).
- [S46] Ancestry.com, New York, New York, USA, register till äktenskapslicenser, 1907-2018 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2017. (Troverdighet: 3).
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