https://www.theguardian.com/tv-and-radio/tvandradioblog/2016/feb/09/secrets-rock-men-alcatraz-escape-myth-raft-raincoats-prisoners-survived-tv-documentaries-jailbreaks
https://en.wikipedia.org/wiki/June_1962_Alcatraz_escape_attempt#Frank_Morris
https://en.wikipedia.org/wiki/John_Paul_Scott
https://www.quora.com/What-is-it-like-to-swim-from-Alcatraz-to-shore
https://www.theguardian.com/travel/2017/jan/04/escape-from-alcatraz-swimming-san-francisco-the-rock-shoreline
https://www.odysseyopenwater.com/alcatraz#:~:text=You're%20not%20alone.,can%20be%20safe%20and%20fun.
https://en.wikipedia.org/wiki/Joseph_Bowers
https://en.wikipedia.org/wiki/James_C._Lucas
https://www.kirkusreviews.com/book-reviews/a/alvin-with-robert-livesey-karpis/on-the-rock-twenty-five-years-in-alcatraz/
https://www.alcatrazhistory.com/hyoung.htm
https://www.aetv.com/real-crime/murders-at-alcatraz
https://en.wikipedia.org/wiki/Alvin_Karpis
https://en.wikipedia.org/wiki/Rufe_Persful
https://richardnilsen.com/tag/jim-quillen/
https://www.deadgoodbooks.co.uk/extract-inside-alcatraz-jim-quillen/
https://www.thetravel.com/creepy-facts-trivia-alcatraz/
https://www.alcatrazhistory.com/factsnfig.htm
https://alcatraz.fandom.com/wiki/Solitary_confinement#:~:text=Solitary%20confinement%2C%20(known%20colloquially%20in,torturing%20prisoners%20they%20especially%20disliked.
https://www.alcatrazhistory.com/regpage1.htm
https://www.cato.org/sites/cato.org/files/pubs/pdf/pa157.pdf
https://www.bop.gov/about/history/alcatraz.jsp
https://en.wikipedia.org/wiki/Robert_Stroud
https://en.wikipedia.org/wiki/Battle_of_Alcatraz
https://www.quora.com/Was-Alcatraz-being-a-rough-prison-a-myth