This page is not intended to provide references to the reader; rather it provides references to content being used by the authors of the web site.
A reader is welcome to come here, though..
a downloaded pdf named pcv_ch4.pdf
The article at https://nrich.maths.org/1422 by Dan Goodman with title An Introduction to Galois Theory.
Book of Proofs – this one is particularly interesting–are they more than 80% similar to us in what they want to do?