| Kilder |
- [S83] Folketelling USA 01.04.1930, Folkräkningsplats: Brooklyn, Kings, New York; Sida: 22A; Räkningsdistrikt:: 1877; FHL-mikrofilm: 2341230 (Troverdighet: 3).
- [S414] USA registreringskort 2. verdenskrig, Wwii Draft Registration Cards For New York City, 10/16/1940 - 03/31/1947; Registergrupp: Records of the Selective Service System, 147 (Troverdighet: 3).
- [S46] Ancestry.com, Connecticut Department of Health. Connecticut, avlidna personer, 1949-2012 [database on-line]. Provo, UT, USA: Ancestry.com Operations, Inc., 2003. (Troverdighet: 3).
- [S238] Find a grave, (USA), Memorial page for Charles H Johnson (1918–1986), Find a Grave Memorial ID 154280200, citing South Dover Rural Cemetery, Wingdale, Dutchess County, New York, USA; Maintained by S Zeller (contributor 48021799). (Troverdighet: 3).
https://www.findagrave.com/memorial/154280200/charles_h-johnson
- [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).
- [S32] Avis, Poughkeepsie Journal, Poughkeepsie, New York Sunday, 19 December 2010 (Troverdighet: 3).
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