http://www.bbc.co.uk/history/historic_figures/galen.shtml

https://en.wikipedia.org/wiki/Galen

https://www.bustle.com/articles/187871-scary-mental-illness-treatments-in-history-you-havent-heard-about-for-good-reason

https://en.wikipedia.org/wiki/Insulin_shock_therapy

https://www.bustle.com/articles/187871-scary-mental-illness-treatments-in-history-you-havent-heard-about-for-good-reason

An underground education-by richard zacks

https://www.ancient-origins.net/history-ancient-traditions/trephination-0013423

https://historycooperative.org/a-beautiful-mind-the-history-of-the-treatment-of-mental-illness/

https://psychcentral.com/blog/the-surprising-history-of-the-lobotomy#5

https://listverse.com/2016/05/25/10-brutal-accounts-of-torture-in-old-insane-asylums/

https://www.huffpost.com/entry/female-hysteria_n_4298060

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3480686/