Great to see this course material public. It's a real missed opportunity though to not mention that Galois wrote a lot of it down staying up all night before being shot.
Rothman, Tony (1982). "Genius and Biographers: The Fictionalization of Evariste Galois". The American Mathematical Monthly. 89 (2): 84–106. doi:10.2307/2320923. JSTOR 2320923