For a more opinionated take on a lot of this, see the (circa 1999) Chicago undergraduate mathematics bibliography (https://www.ocf.berkeley.edu/~abhishek/chicma

For a more opinionated take on a lot of this, see the (circa 1999) Chicago undergraduate mathematics bibliography (https://www.ocf.berkeley.edu/~abhishek/chicmath.htm https://www.ocf.berkeley.edu/~abhishek/chicmath.htm) which now has a GitHub page and is being occasionally updated again (https://github.com/ystael/chicago-ug-math-bib https://github.com/ystael/chicago-ug-math-bib)