"Kongelige i kirkebøgerne" [Royals in the church records]. historie-online.dk (in Danish). Dansk Historisk Fællesråd. Archived from the original on 24 September 2015. Retrieved 18 February 2013.
Bornstein, Arvid. "Celle". Norsk biografisk leksikon. Retrieved 15 August 2016.
nbl.snl.no
Bratberg, Terje. "Christian 7". Norsk biografisk leksikon. Retrieved 15 August 2016.
web.archive.org
"Kongelige i kirkebøgerne" [Royals in the church records]. historie-online.dk (in Danish). Dansk Historisk Fællesråd. Archived from the original on 24 September 2015. Retrieved 18 February 2013.