Agarwal, R. P. (2020). Pythagorean theorem before and after Pythagoras. Adv. Stud. Contemp. Math, 30, 357-389.

Al-Khaled, K., & Alawneh, A. Pythagorean Theorem: Proof and Applications.

Ellermeyer, S. F. (n.d.). James Garfield's Proof of the Pythagorean Theorem [Review of James Garfield's Proof of the Pythagorean Theorem]. Retrieved October 20, 2021, from http://ksuweb.kennesaw.edu/~sellerme/sfehtml/classes/math1112/garfieldpro.pdf

Euclid's Proof of the Pythagorean Theorem – Writing Anthology. (n.d.). Central.edu. https://central.edu/writing-anthology/2019/01/31/159/

Kelley, L. (2021). Early Proofs of the Pythagorean Theorem by Leonardo Da Vinci, Ptolemy, Thabit ibn Qurra, and Garfield. Humanities.

Maor, E. (2019). The Pythagorean theorem: a 4,000-year history. Princeton University Press.

Overduin, J., & Henry, R. C. (2020). Physics and the Pythagorean Theorem. arXiv preprint arXiv:2005.10671.

Posamentier, A. S. (2010). The Pythagorean theorem: the story of its power and beauty. Prometheus books.

Sparks, J. C. (2008). The Pythagorean Theorem. Bloomington (Indiana): AuthorHouse.

The Pythagorean Theorem - Science of NFL Football. (n.d.). Www.youtube.com. Retrieved October 20, 2021, from https://www.youtube.com/watch?v=Grzy-ZAotB0&t=1s

Wijayanti, P., & Hidayanti, A. N. (2019, December). Proving the Pythagorean Theorem to Junior High School students through the Asian method. In Journal of Physics: Conference Series (Vol. 1417, No. 1, p. 012060). IOP Publishing.