- Andrew Scull. "Madness and Meaning." The Paris Review. 4/22/2015. 6/5/2021. <https://www.theparisreview.org/blog/2015/04/22/madness-and-meaning/>.
- Jerome Kroll and Bernard Bachrach. "Sin and mental illness in the Middle Ages." Psychological Medicine. 7/9/2009. 6/8/2021. <https://www.cambridge.org/core/journals/psychological-medicine/article/abs/sin-and-mental-illness-in-the-middle-ages/DB60CD1780A5DB768DB5C9C7C77A1946>.
- Ingrid G. Ferrerras. "History of Mental Illness." NOBA. N/A. 6/8/2021. <https://nobaproject.com/modules/history-of-mental-illness>.
- Alejandro Otal Torres. "Poetics of Depression: Mental Illness and Suicide in Sylvia Plath and Anne Sexton’s Poetry. ." deposit.ub.edu. 6/19/2018. 6/8/2021. <http://diposit.ub.edu/dspace/bitstream/2445/123542/1/Otal%2C%20Alejandro%20TFG.pdf.pdf>.
- N/A. "Sylvia Plath." The British Library. N/A. 6/8/2021. <https://www.bl.uk/people/sylvia-plath>.
- Dan Chiasson. "Sylvia Plath's Last Letters." The New Yorker. 10/29/2018. 6/8/2021. <https://www.newyorker.com/magazine/2018/11/05/sylvia-plaths-last-letters>.
Mad Girl's Love Song
by Sylvia Plath
