LISP - a list processing language for artificial intelligence since 1956

Useful links about Lisp:

• An Introduction and Tutorial for Common Lisp

This document provides a small set of resources and references on Common Lisp.
 
• The Common Lisp HyperSpec

A language specification aimed at an audience of implementors and knowledgeable programmers.
It is neither a tutorial nor an implementation guide.
 
• CLISP - an ANSI Common Lisp

A Common Lisp implementation by Bruno Haible of Karlsruhe University and Michael Stoll of Munich University, both in Germany. It mostly supports the Lisp described in the ANSI Common Lisp standard.
 
• The Association of Lisp Users (ALU)

Information and resources about Lisp in general, and particularly Common Lisp, including references, books, tutorials, free and commercial Lisp implementations, free Lisp software, and other resources.
 
•  AIMA Code

The online code for "Artificial Intelligence: A Modern Approach" by Stuart Russell and Peter Norvig.
 
• CMU Common Lisp Repository

Lots of Lisp code there!