https://en.wikipedia.org/wiki/Dennis_Nilsen
https://www.deadgoodbooks.co.uk/seasons/des-review/
https://www.businessinsider.com.au/denis-nilsen-cranley-gardens-muswell-hill-flat-on-sale-for-300000-2015-6
https://hidden-london.com/gazetteer/cranley-gardens/
https://www.mirror.co.uk/news/uk-news/buyer-found-serial-killer-dennis-5835522
https://www.dailymail.co.uk/femail/article-8734363/Escaping-Dennis-Nilsen-teenage-drag-artist-Carl-Stottor-escaped-serial-killer.html
https://metro.co.uk/2020/09/15/how-dennis-nilsen-victim-carl-stottor-escaped-serial-killer-13277081/
https://www.bbc.com/news/uk-england-london-50152862
https://www.biography.com/crime-figure/dennis-nilsen
https://murderpedia.org/male.N/n/nilsen-dennis.htm