Free Lisp Tutorials

The ALU Common Lisp Wiki
This Lisp Wiki is for all users of Lisp-family languages, and especially for information relevant to the Association of Lisp Users.

The Common Lisp Hyperspec
This is a language specification aimed at an audience of implementors and knowledgeable programmers. It is neither a tutorial nor an implementation guide.

Common Lisp: A Gentle Introduction to Symbolic Computation
This book may be distributed in hardcopy form, for non-profit educational purposes, provided that no fee is charged to the recipient beyond photocopying costs. Available in Postscript or PDF.

Successful Lisp
This is a free Lisp book in html format.

Practical Common Lisp
Free Lisp book online.

An Introduction and Tutorial for Common Lisp
A lot of the links on this page seem to be out of date, but if you're patient and hunt around you'll find various papers, examples and links to other resources.

LISP Primer

Paul Graham Lisp Site
This site has quite a number of good articles on Lisp, Lisp code, a Lisp faq, and some links to other resources.

Common Lisp the Language, 2nd Edition
This document contains the complete text of the book. Unfortunately the table of contents page was missing when I visited, so I had to navigate it through the link to the index instead.

CMU Common Lisp Repository
The Common Lisp Repository (formerly the Lisp Utilities Repository) was established by Mark Kantrowitz in 1990 to collect files and programs of general interest to Common Lisp programmers. Many of the programs will run in any Common Lisp implementation; others are easily ported

Association of Lisp Users
The Association of Lisp Users is an international organization dedicated to promoting and representing the international Lisp communities.

Lisp FAQ