Quellen:
https://www.vg.no/nyheter/innenriks/i/xRjoWp/mystery-at-the-oslo-plaza
https://www.vg.no/spesial/2017/plaza-english/#utforsk-rommet
https://medium.com/the-mystery-box/unsolved-mysteries-the-mysterious-death-of-jennifer-fairgate-1454567a180f
https://de.wikipedia.org/wiki/Oslo_Plaza
https://www.thekasaantimes.de/item/item/17420-neues-von-der-unbekannten-toten-im-plaza-hotel-in-oslo-jennifer-fergate