https://esoterx.com/2014/09/02/the-unhangables-john-babbacombe-lee-and-joseph-samuel/
https://historycollection.com/10-men-in-history-they-almost-couldnt-kill/3/
https://www.executedtoday.com/2013/09/26/1803-joseph-samuel-survives-three-hangings/
http://anomalyinfo.com/Stories/1803-man-who-couldnt-be-hanged
https://www.todayifoundout.com/index.php/2013/02/the-man-who-survived-three-consecutive-hangings/
http://arc.parracity.nsw.gov.au/blog/2013/10/12/the-man-they-couldnt-hang-joseph-samuel/
https://en.wikipedia.org/wiki/Joseph_Samuel
https://www.executedtoday.com/2013/09/26/1803-joseph-samuel-survives-three-hangings/
https://en.wikipedia.org/wiki/Joseph_Luker
http://popcaanz.com/wp-content/uploads/2017/11/BIO-FICTION_Franks-2017-sm.pdf