Racket

• Installing DrRacket on your computer
• Racket Home Page
• Racket Documentation

Scheme Resources

• The Scheme Programming Language, by Dybvig
• Structure and Interpretation of Computer Programs, by Abelson and Sussman
• Concrete Abstractions by Hailperin, Kaiser, and Knight
• PDF version of Concrete Abstractions

Papers

• The Role of the Study of Programming Languages in the Education of a Programmer by Daniel P. Friedman

Emacs

• Emacs Home Page
• Emacs Quick Reference Guide

Lisp Humor

• Lisp Cycles - xkcd 297 (A fuller explanation is given here.)
• Lisp - xkcd 224 (A fuller explanation is given here.)