https://nsarchive.gwu.edu/briefing-book/southern-cone/2019-05-30/inside-argentinas-killing-machine-us-intelligence-documents-record-gruesome-human-rights-crimes-1976
https://en.wikipedia.org/wiki/National_Commission_on_the_Disappearance_of_Persons
https://www.theguardian.com/news/2020/sep/03/operation-condor-the-illegal-state-network-that-terrorised-south-america
https://en.wikipedia.org/wiki/Operation_Condor
https://www.history.com/news/mothers-plaza-de-mayo-disappeared-children-dirty-war-argentina
https://www.newstatesman.com/culture/2015/06/science-behind-most-horrific-deaths-game-thrones
https://www.history.co.uk/shows/britains-bloodiest-dynasty/articles/torture-in-the-middle-ages
https://historyofyesterday.com/rat-torture-bc17cf72400b#:~:text=A%20rat%20can%20interrogate%20prisoners,making%20the%20inside%20extremely%20hot.
https://en.wikipedia.org/wiki/Rat_torture
https://www.livescience.com/viking-blood-eagle-torture
https://www.youtube.com/watch?v=cbAdAYNMLx0
https://allthatsinteresting.com/death-by-elephant
https://cdnc.ucr.edu/?a=d&d=BLA19100507.2.42&e=-------en--20--1--txt-txIN--------1https://www.executedtoday.com/2020/03/17/1542-margaret-davy-poysoner/
https://www.britannica.com/topic/boiling-punishment
https://www.britannica.com/list/cruel-and-unusual-punishments-15-types-of-torture
https://zh.wikisource.org/wiki/%E5%8F%B2%E8%A8%98/%E5%8D%B7068
https://en.wikipedia.org/wiki/Shang_Yang
https://en.wikipedia.org/wiki/Execution_by_elephant
https://en.wikipedia.org/wiki/Five_Punishments
https://allthatsinteresting.com/lingchi
https://en.wikipedia.org/wiki/Li_Si
https://books.google.co.th/books?id=VQQyw6NG6fIC&redir_esc=y
https://en.wikipedia.org/wiki/Mithridates_(soldier)
https://www.jstor.org/stable/295798
https://www.livius.org/articles/person/phalaris/bull-of-phalaris/
http://perseus.uchicago.edu/perseus-cgi/citequery3.pl?dbname=PerseusLatinTexts&getid=1&query=Cic.%20Ver.%202.4.75
https://www.britannica.com/biography/Phalaris
https://allthatsinteresting.com/brazen-bull
https://en.wikipedia.org/wiki/Phalaris
https://en.wikipedia.org/wiki/Brazen_bull