University of Maryland's compilers class has the lectures/notes online. The course is about implementing a reduced (but still pretty big) subset of Racket. http

University of Maryland's compilers class has the lectures/notes online. The course is about implementing a reduced (but still pretty big) subset of Racket. https://www.cs.umd.edu/class/spring2022/cmsc430/Notes.html https://www.cs.umd.edu/class/spring2022/cmsc430/Notes.html.