https://warfarehistorynetwork.com/article/japans-hellish-unit-731/
https://youtu.be/1odMnxoKKWc?si=eAU6A7jR1vHOkxVM
https://www.brandeis.edu/writing-program/write-now/2022-2023/yang-grace/index.html#:~:text=Unit%20731%20was%20a%20Japanese,Chinese%20(Barenblatt%2C%202004).
https://en.m.wikipedia.org/wiki/Black_Death
https://www.pacificatrocities.org/marutas-of-unit-731-guide.html
https://www.pacificatrocities.org/human-experimentation.html
https://allthatsinteresting.com/unit-731
https://en.m.wikipedia.org/wiki/Unit_731
https://www.pbs.org/wgbh/americanexperience/features/weapon-biography-shiro-ishii/
https://en.m.wikipedia.org/wiki/Shir%C5%8D_Ishii
https://en.m.wikipedia.org/wiki/Masaji_Kitano
https://en.m.wikipedia.org/wiki/Operation_PX
https://www.history.navy.mil/about-us/leadership/director/directors-corner/h-grams/h-gram-057/h-057-2.html
https://www.vocabulary.com/dictionary/puppet%20state#:~:text=A%20puppet%20state%20is%20a,states%20of%20the%20Soviet%20Union.
https://www.britannica.com/event/Stanford-Prison-Experiment
https://www.mayoclinic.org/diseases-conditions/gangrene/symptoms-causes/syc-20352567
https://www.atlasobscura.com/places/unit-731-museum
https://www.britannica.com/topic/Project-Paperclip
https://en.m.wikipedia.org/wiki/Sakoku